Nothing is worse than repeating past mistakes. Despite the awful economy, my newest portfolio is doing better than any other since 1999-2000, actually passing a 100% gain recently, although it has dropped back slightly with the market the past few trading days.

Ten years is recent enough for me to remember giving everything back and then some. I'm not doing that again. But what to do? I certainly do not like sitting with a heavy cash position collecting almost nothing. I have recently discussed this issue, see: Serious Money: ETF that's better than cash.

The solution is to find stocks that have low volatility, high yields, and the recurring revenue and strong cash flow to maintain the yield. Long term investors will not be surprised by my search leading me to AT and T (NYSE: T) and Verizon Communications (NYSE: VZ), the two largest communications companies in the land.

A race has broken out for Data Domain Inc (NASDAQ: DDUP). NetApp Inc. (NASDAQ: NTAP) offered $1.5 billion for the company two weeks ago, and EMC Corp. (NYSE: EMC) decided it had to get in on the action, upping the ante to $1.8 billion yesterday. Data Domain shares gained 16% on the news in late trading yesterday, resulting in EMC's bid carrying a 17% premium.

EMC sees Data Domain as its ticket into the market for software-based storage management, as the target company's products help reduce the amount of disk space needed to store data. With large, high-profile clients like AT&T Inc. (NYSE: T) and the U.S. Defense Department, Data Domain was able to double its top line to $274 million in 2008. It pulled in net income of $21.6 million last year, up from a loss of $3.7 million in 2007.

Apple, Inc.'s (NASDAQ: AAPL) iPhone 3G has admittedly caused problems for wireless partner AT&T, Inc. (NYSE: T). Little did AT&T know that so many iPhones would be sold and so much data would be pumped over its wireless network.

What would happen if a newer iPhone was announced and released this year that featured front-facing camera videoconferencing? Would the millions of iPhone users start sending out even more bucketloads of data doing a ton of live video over their iPhones?

Analyst upgrades:

• Morgan Stanley said Bank of America's (NYSE: BAC) capital needs are largely known and shares are trading "cheaply despite reduced downside risk." The firm upgraded shares to Overweight from Underweight and raised the price target to $25 from $16. Shares were also upgraded to Outperform from Neutral at Baird citing manageable capital needs and attractive risk/reward.
  
• Keefe Bruyette upgraded Fifth Third Bancorp (NASDAQ: FITB) to Outperform from Market Perform on valuation as it views the stock as inexpensive despite the recent rally. The firm has an $8 target on the stock.
• Banc of America/Merrill upgraded Ericsson (NASDAQ: ERIC) to Buy from Neutral as it believes fewer hedging losses could bring upside over the next few quarters.
• Rio Tinto (NYSE: RTP) was raised to Overweight from Neutral at Barclays.
  
• EnerNOC (NASDAQ: ENOC) was lifted to Buy from Neutral at Janney Montgomery.
  
• Westpac Banking (NYSE: WBK) was upgraded to Neutral from Underperform at Credit Suisse.

Sprint Nextel Corp. (NYSE: S), the trying to be the"comeback kid" under CEO and telecom vet Dan Hesse, just lost another swath of customers in its latest quarter. The company reported almost an almost $600 million net loss in its latest quarter as its postpaid (contract) customers continue to defect to the competition.

All in all, this quarter wasn't as bad for Sprint as previous quarters. The third-largest wireless carrier in the U.S lost 182,000 wireless customers last quarter, leaving it with under 50 million total wireless customers. Still, the last quarter of 2008 saw Sprint lose about 1.3 million customers, so this past quarter was quite the marked improvement.

Verizon Communications, Inc. (NYSE: VZ) reported Q1 earnings on Monday, and they didn't disappoint. The telecommunication entity said it earned $0.63 per share on an adjusted basis. Okay, the growth wasn't so great. The company earned an adjusted $0.61 per share in the year-ago period. But you know the game: it's all about expectations. So, on that count, Verizon was ahead by four pennies, according to this database.

But the Verizon story isn't just about earnings. It's also about cash flow. Net cash from operations increased 19% to $6.4 billion. Free cash flow more than doubled to $2.7 billion. Verizon is a well-known dividend-paying stock, so shareholders definitely want to see good cash flows.

Analyst upgrades:

• Citigroup upgraded Research in Motion (NASDAQ: RIMM) to Buy from Hold and added the stock to its Top Picks Live List. The firm believes RIMM's outlook is more secure given its unit growth trajectory and stabilizing margins. Citi raised its target on the stock to $100 from $65.
  
• Morgan Stanley upgraded Microsoft (NASDAQ: MSFT) to Overweight from Equal Weight following the company's Q3 results it believes growth is accelerating and expectations are low. The firm raised its target on the stock to $24 from $21.
  
• Deutsche Bank upgraded Huron (NYSE: HURN) to Buy from Hold as it believes bad news is already priced in and FY09 expectations are achievable. The firm keeps a $46 target on the stock.
• Credit Suisse (NYSE: CS) was upgraded to Neutral from Sell at UBS.
  
• Quicksilver (NYSE: KWK) was raised to Buy from Neutral at Banc of America/Merrill.
  
• EIG Resources (NYSE: EOG) was lifted at Goldman to Conviction Buy from Neutral.

Recently, I had the pleasure of attending The Summit Series conference in Aspen with 115 top young entrepreneurs and inspiring philanthropists under the age of 35. This event, founded by Elliot Bisnow of Bisnow Media, has created a community of the world's most influential innovators. "We are inspired by events like the Clinton Global Initiative, TED, and Davos," says Bisnow. $200,000 was raised for the four presenting non-profit organizations including NothingButNets.com, Feed Foundation, Invisible Children, and Grassroots Soccer.

These five start-ups were among the most impressive and interesting business ideas:

When Sprint Nextel Corp. (NYSE: S) launched the $50 all-you-can-eat wireless plan with its Boost Mobile prepaid brand back in January, it was a shock to the wireless industry. Indeed, prepaid wireless generally is more expensive and less feature-laden than contract wireless in the U.S. But not even contract wireless plans that featured unlimited talking/texting/web access could be found for $50. What was Sprint Nextel trying to do? Cannibalize itself?

Last week, my colleague Brian White wondered if AT&T will maintain its exclusive contract for Apple's iPhone. Brian's especially relevant question came exactly one week before AT&T (NYSE: T) is set to step into the earnings spotlight -- this Wednesday.

MarketWatch contends that this exclusivity is the reason AT&T will post "solid first-quarter results." It is MarketWatch's belief that the exclusivity may actually hurt AT&T because of how heavily subsidized upfront sales are for consumers.

The heavy subsidies may be worth the potential cut in earnings for AT&T, as the wave of neo-tech hipsters desiring the latest in phone technology has boosted AT&T's subscriber growth and wireless revenue.

TheStreet.com's Jim Cramer says if you don't want to wait for a pullback, look abroad for the next leg or find values at home.

What do you do when everyone knows we have come up too far, too fast; no one knows who is actually buying; and we are going into earnings season?

What do you do when the animal spirits are taking up the market and yet other than a handful companies -- Research In Motion (NASDAQ: RIMM) (Cramer's Take), Xilinx (NASDAQ: XLNX) (Cramer's Take), Corning (NYSE: GLW) (Cramer's Take), Best Buy (NYSE: BBY) (Cramer's Take) and Taiwan Semi (NYSE: TSM) (Cramer's Take) -- almost all companies that have spoken during the "off-season" earnings reports have been dismal?

AT&T, Inc. (NYSE: T) said this week that it would begin selling netbook PCs for the low price of $50 if customers would commit to two years of internet access through its nationwide high speed internet DSL service along with its Wi-Fi wireless and 3G internet service as well. In effect, AT&T is seeing if the wireless phone subsidization model that's been used for over a decade now could spill over into the portable netbook PC market and bring more customers onto its internet services.

Ah yes ladies and gents, it is what some will call the most wonderful time of the year ... March Madness brought to you by CBS brought to you by Coca-Cola's(NYSE:KO) PowerAde brought to you by General Motors (NYSE:GM) brought to you by New Balance brought to you by AT & T's Cingular(NYSE:T) -- perhaps you catch my drift.

Yesterday was the first time I was home for the opening day of the tournament in five years. Know how many games I watched? Zero. Now how much of it I missed? Zero. Maybe it is because my Cincinnati Bearcats choked royally down the stretch and were left out of the NCAA and NIT, or maybe it is because I find college basketball a bit boring. Whatever the reason, I didn't watch and I didn't miss. Actually, let me couch that statement, I saw snippets of the Butler/LSU game as I waited for the FightBus to get its oil change at the dealership. Thing is, while I was glancing at the TV I saw in-game ads for VitaminWater and General Motors ... what happened to letting the game play? It reminded me of Wednesday night when I was watching my BlueJackets play. Fox Sports was showing the sponsored save of the game, and missed a goal by the Jackets!

"The completion of our nation's transition from analog to digital TV in June will allow the analog spectrum to become available for different uses," points out David Sandell.

Here, the contributing editor of Leeb's Income Performance Letter explains why AT&T (NYSE: T) and Verizon (NYSE: VZ) are poised to be the biggest beneficiaries among leading telecoms.

"Customers are increasingly seeking lower-cost services and delaying purchases of more costly equipment. But the companies are adapting, particularly through cost-cutting and strengthening their balance sheets by paying down and restructuring debt.

"AT&T and Verizon, the telecom industry leaders, were the big spenders for rights to the powerful analog signals when the FCC auctioned off much of the freed-up spectrum in early 2008.

AT&T (NYSE: T) closed at $24.35. T April option implied volatility of 39 is below its 26-week average of 45, according to Track Data, suggesting decreasing price movement.

Verizon (NYSE: VZ) closed at $28.14. VZ April option implied volatility of 38 is below its 26-week average of 46, according to Track Data, suggesting decreasing price movement.

Comcast (NASDAQ: CMCSA) closed at $12.92. April option implied volatility is at 64; July is at 62; near its 26-week average according to Track Data, suggesting non-directional price movement.

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