Late Thursday Sirius XM (NASDAQ: SIRI) disclosed it had received a notice from the Nasdaq stock exchange on Tuesday that its share price has closed below $1 for 30 consecutive days, and is therefore not in compliance with the exchange rules. This means it could possibly be delisted.

Sirius has until March 15, 2010, to regain compliance with the minimum bid price rule, meaning its stock has to close at or above $1 for 10 consecutive business days.

Back in October 2007, Silver Lake and TPG took Avaya private in an $8.2 billion deal. While the transaction involved a good amount of debt, it looks like the company has firepower. That is, Avaya has agreed to pay $900 million for Nortel Network's Enterprise division (the transaction will also involve $15 million in employee retention payments).

The transaction was the result of an auction, which appears to have had some juice. Keep in mind that Avaya's original bid was for $475 million.

Everything was looking up this morning, up until the reaction to companies and their earnings reports. The market felt directionless all day after losing its initial gains despite a new home sales data release that was well above expectations. Ben Bernanke defended his stance on avoiding the next depression. The SEC also issued new short sale abuse guidelines.

Here are today's unofficial closing bell levels:

Dow 9,108.59 +15.35 (0.17%)
S&P 500 982.19 +2.93 (0.30%)
Nasdaq 1,967.89 +1.93 (0.10%)

Top 10 Analyst Upgrades and Downgrades

Rumor has it that Nortel Networks (OTC: NRTLQ) will sell its enterprise division in the near future.

This would be part of a broader plan to break the company apart instead of trying to restructure its way out of bankruptcy. The company is planning to sell its CDMA and LTE wireless businesses to Nokia (NYSE: NOK) for $650 million -- the first unit sale since the January bankruptcy filing.

Motorola (NYSE:MOT) may be the next large American technology company to go into bankruptcy. Telecom equipment maker Nortel, which has several related businesses, filed for Chapter 11 yesterday.

Motorola has two successful divisions. One of these makes home electronic devices including set-top boxes. The other provides telecom infrastructure to large enterprises and governments. Each of them has had positive operating income over the last several quarters.

Motorola's handset division, however, is taking on water quickly. It will cut another 4,000 people this year. It was going to be spun off from the rest of the company, but its sales fell so quickly that the option was killed. Now, a bankruptcy judge may do what the company would not -- liquidate the handset business completely.

Nortel Networks Inc. (NYSE: NT), which has been floundering for years, put itself out of its misery today by filing for Chapter 11 bankruptcy protection.

According to court papers filed in U.S. Bankruptcy Court in Delaware, the Canadian telecom equipment maker owes bondholders $3.8 billion and was facing $107 million in interest payments this week. The company already was facing de-listing from the New York Stock Exchange. It has a $2.4 billion cash position.

Amidst all of the usual hopeful spin in the company's press release was this telling sentence: "The company commenced a process to turn around and transform Nortel in late 2005, and the company made important progress on a number of fronts."

That's right folks, Nortel has been in a turnaround since 2005. Then again, Nortel is not a typical company. Former Chief Executive Michael Dunn, former Chief Financial Officer Douglas Beatty and former Controller Michael Gollolgy are facing charges in Canada for manipulating earnings in the early part of the decade. Shares of Nortel hit $900 on a split-adjusted basis in 2000.

It definitely looks like M&A activity will decline in 2009. What's more, it appears that private financings and public offerings will continue to remain lackluster.

This is bad news for investment banks. However, some of these operators are finding ways to maneuver around by focusing on restructuring work.

Perhaps one of the biggest beneficiaries is Lazard Ltd (NYSE: LAZ).

In fact, this week the firm snagged Timothy R. Pohl, the co-head of restructuring practice at Skadden, Arps, Slate, Meagher & Flom.

Pohl will certainly be busy as Lazard is currently working on the bankruptcies of Lehman Brothers and VeraSun.

This week, Lazard also got several new plumb assignments. The firm is advising Nortel Networks (NYSE: NT) on restructuring options, and other new clients include Tribune and even the United Auto Workers.

Of course, with the protracted credit crunch and the declining global economy, we'll likely see more leveraged companies hitting the wall, providing much more business for Lazard.

Tom Taulli is the author of various books, including The Complete M&A Handbook and The Streetsmart Guide to Short Selling: Techniques the Pros Use to Profit in Any Market. He is also the founder of BizEquity, a valuation website.

Here are some highlights from this past week's earnings coverage from BloggingStocks:

• Agilent Technologies Inc. (NYSE: A) topped estimates but offered an outlook below expectations.
• Best Buy Co. (NYSE: BBY) warned that it many not be able to maintain its earnings momentum.
• Charlotte Russe Holding Inc. (NASDAQ: CHIC) was upgraded because of its growth potential.
• Focus Media Holding Ltd. (NASDAQ: FMCN) shares tumbled after it reported Q3 numbers.
• HLS Systems International (NASDAQ: HOLI) earnings prospects and management impressed an analyst.
• JCPenney Co. Inc. (NYSE: JCP) reported a lower Q3 profit and lowered its guidance due to the recession.
• KKR Financial Holdings (NYSE: KFN) disappointing Q3 results led to analyst downgrades.
• MercadoLibre Inc. (NASDAQ: MELI) doubled its Q3 profit and beat earnings expectations.
• Nortel Networks Corp. (NYSE: NT) swung to a Q3 net loss and unveiled further restructuring measures.
• Perry Ellis International Inc. (NASDAQ: PERY) posted preliminary Q3 results and lowered its outlook.
• Siemens (NYSE: SI) Q4 net loss widened and it warned about meeting its profit target for the year.
• Starbucks Corp. (NASDAQ: SBUX) Q4 earnings were hurt by restructuring costs, revenue rose slightly.
• Toll Brothers Inc. (NYSE: TOL) posted dismal Q4 results and declined to offer guidance for next year.
• Tyson Foods Inc. (NYSE: TSN) solid Q4 results fell short of estimates and it offered a shaky outlook.
• Wells Fargo & Co. (NYSE: WFC) earnings prospects following its equity offering led to an analyst's upgrade.

Here are some highlights from this past week's earnings coverage from BloggingStocks:

• ADC Telecommunications Inc. (NASDAQ: ADCT) beat Q2 estimates and raised its full-year guidance.
• Alcoa Inc. (NYSE: AA) near-term earnings prospects led to an analyst downgrade.
• Banco de Chile (NYSE: BCH) earnings prospects after an acquisition led to an analyst's upgrade.
• Benihana Inc. (NASDAQ: BNHN) posted lower Q4 profits but still beat earnings estimates.
• Bob Evans Farms Inc. (NASDAQ: BOBE) reported solid Q4 results due in part to cost management.
• Brown-Forman Corp. (NYSE: BF.B) easily beat Q4 estimates and offered full-year guidance.
• CMGI Inc. (NASDAQ: CMGI) lowered its guidance, sending shares tumbling 25%.
• Coca Cola Hellenic Bottling Co. (NYSE: CCH) warned of weaker earnings due to economic conditions.
• Conn's Inc. (NASDAQ: CONN) reported solid Q1 results and issued in-line guidance for the year.
• Dick's Sporting Goods Inc. (NYSE: DKS) earnings prospects impress analysts despite recent guidance.
• Guess? Inc. (NYSE: GES) topped Q1 expectations due to strong international expansion.
• Krispy Kreme Doughnuts Inc. (NYSE: KKD) swung to a Q1 profit despite falling revenues.
• Lehman Brothers Holdings Inc. (NYSE: LEH) posted a bigger-than-expected loss on further write-downs.

In a reorganization of China's telecom industry, which will change the face of the wireless industry, the country plans to merge two of its largest mobile companies, China Netcom (NYSE: CN) and China Unicom (NYSE: CHU). The new firm will be issued on of the three high-speed wireless licenses that the government plans to grant.

China's two largest phone companies, China Mobile (NYSE: CHL) and China Telecom, will receive the other two contracts.

According to Reuters, the 3G development will "unleash billions of dollars in spending for network gearmakers." Those companies would include Nokia (NYSE: NOK), Nortel (NYSE: NT), Ericsson (NASDAQ: ERIC),and Motorola (NYSE: MOT).

The news may also be a benefit to handset makers as they rush to offer products for the new 3G networks. Apple (NASDAQ: AAPL) has still not found a home for the iPhone in China.

More competition among carriers will give it a greater chance to strike a good deal. A new market could also give some aid to Motorola's flagging handset sales and to rivals Samsung and Sony Ericsson.

Douglas A. McIntyre is an editor at 247wallst.com.

Nortel Networks (NYSE: NT) is scheduled to report Q1 EPS before the market open on May 2.

NT will be a participant at Networld-Interop 2008, beginning on May 4.

NT May option implied volatility of 74 is above its 26-week average of 58 according to Track Data, suggesting larger price uncertainty.

Options Update is provided by Stock Specialist Paul Foster of theflyonthewall.com

MOST NOTEWORTHY: Seagate, Nortel Networks and Ann Taylor were today's noteworthy downgrades:

• Thomas Weisel downgraded Seagate (NYSE: STX) to Market Weight from Overweight as they believe the company's growth will be more muted given high existing market share and overall industry growth.
  
• Baird downgraded Nortel (NYSE: NT) to Neutral from Outperform citing checks that indicate deteriorating US Enterprise sales in the last few weeks of Q1. The firm now expects companies to guide flat QoQ instead of up and to make cautious 2H08 comments.
  
• Ann Taylor (NYSE: ANN) was cut to Neutral from Buy at Piper to reflect concerns over the LOFT division as well as consumer spending.

OTHER DOWNGRADES:

• Citigroup lowered TJX Cos (NYSE: TJX) to Hold from Buy.
  
• WestLB downgraded to Hold from Add Novartis (NYSE: NVS).
  
• Hartford Financial (NYSE: HIG) was downgraded to Neutral from Buy at UBS.

Here are a few highlights from this past week's earnings coverage from BloggingStocks:

• American International Group Inc. (NYSE: AIG) posted a big loss and warned of more to come.
• CBS Corp. (NYSE: CBS) beat expectations even though its fourth-quarter profit fell.
• DreamWorks Animation Inc. (NYSE: DWA) 2007 earnings and revenue soared, lifted by Shrek the Third.
• HJ Heinz Co. (NYSE: HNZ) posted solid third-quarter earnings and revenue.
• Koppers Holdings Inc. (NYSE: KOP) beat fourth-quarter expectations and approved a share buyback plan.
• Netflix Inc. (NASDAQ: NFLX) raised its first-quarter and full-year guidance on subscriber growth.
• Nortel Networks Corp. (NYSE: NT) missed expectations due to rising operating costs.
• Origin Agritech Ltd. (NASDAQ: SEED) 2007 earnings sank, missing analysts' expectations.
• Salesforce.com Inc. (NYSE: CRM) beat fourth-quarter estimates and offered revised guidance.
• Sirius Satellite Radio Inc. (NASDAQ: SIRI) narrowed its loss due to a surge in subscribers.
• Swiss Reinsurance Co. (OTC: SWCEY) quarterly EPS plunged but 2007 decline was less than expected.
• Viacom Inc. (NYSE: VIA) reported strong fourth-quarter and full-year results.

Also, analysts predict that bank losses will be the highest in 20 years. Timothy Sykes recommends investors not become starstruck by superstar companies such as Apple Inc. (NASDAQ: AAPL) and Google Inc. (NASDAQ: GOOG).

Upcoming results to watch for include Staples, Inc. (NASDAQ: SPLS), Costco Wholesale (NASDAQ: COST), and Blockbuster Inc. (NYSE: BBI).

Visit AOL Money & Finance for more earnings coverage.

Nortel Networks Corp. (NYSE: NT) stock is plummeting this morning after the company reported a fourth-quarter net loss of $844 million, or $1.70 per share. Adjusting for a onetime noncash expense of $1.06 billion related to a deferred Canadian tax asset, NT earned 34 cents per share, but that was still lower than Wall Street's expectation of 44 cents per share. NT executives blamed higher operating costs for the disappointing earnings If you think this stock won't be rising too far in the coming months, then it could be a good time to look at a bearish hedged play on NT.

After hitting a one-year high of $30.27 last February, the stock hit a one-year low of $10.28 in January. This morning, NT opened at $10.28. So far today the stock has hit a low of $9.67 and a high of $10.28. As of 10:45, NT is trading at $9.76, down 1.69 (-14.8%). The chart for NT looks bearish and steady, while S&P gives the stock a positive 4 STARS (out of 5) buy rating.

MAJOR PAPERS:

• A slowdown in growth in the telecommunications equipment industry may result in a joint venture between Motorola Inc (NYSE: MOT) and Nortel Networks Corporation (NYSE: NT), that would have combined sales of about $10B, the Wall Street Journal reported.
• The Wall Street Journal also reported that Yahoo! Inc's (NASDAQ: YHOO) board is planning to reject the Microsoft Corporation (NASDAQ: MSFT) bid of $31 per share, feeling that Microsoft would be taking advantage of a deteriorated Yahoo! share price. Sources said Yahoo! will not consider any offer under $40 per share.
• Sony Ericsson, a joint venture between Sony Corporation (NYSE: SNE) and LM Ericsson Telephone Company (NASDAQ: ERIC), admitted that its business is weak in India, China, and the U.S. The joint venture has designated those three countries as priorities, the Financial Times reported.

WEB SITES:

• According to a source, the Silicon Alley Insider reported that Yahoo! is expected to let go 1,000 employees or more during the week of February 12.
• SiliconValleyWatcher "heard" from a very reliable source that Salesforce.com Inc (NYSE: CRM) has approached Oracle Corporation (NASDAQ: ORCL) over a potential sale of itself for $75 per share.