Analyst upgrades:

• Sierra Wireless (NASDAQ: SWIR) was upgraded at Jefferies to Hold from Underperform following Q3 results. The firm believes the Wavecom acquisition integration is progressing better than expected and finds the valuation attractive at current levels. The firm raised its price target to $10 from $5.
• Boston Properties (NYSE: BXP) was upgraded to Buy from Hold at Deutsche Bank to reflect the company's recapitalization and better-than-expected occupancy. The firm raised its target to $69 from $46.
• Wyndham (NYSE: WYN) was upgraded to Outperform from Market Perform at FBR Capital after the shares sold off following the company's Q3 results. The firm raised its target to $23 from $15.
• Human Genome (NASDAQ: HGSI) was upgraded to Overweight from Neutral at JPMorgan. Target was raised to $25 from $14.
• Urban Outfitters (NASDAQ: URBN) was upgraded to Overweight from Market Weight at Thomas Weisel as they expect a "meaningful sales and earnings improvement in Q4." Target was raised to $39 from $32.
• Methanex (NASDAQ: MEOH) was upgraded to Buy from Neutral at UBS, citing improved methanol demand following the Q3 report. Target was raised to $19.50 from $17.
• Buffalo Wild Wings (NASDAQ: BWLD) was upgraded at Raymond to Market Perform from Underperform.

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.

MOST NOTEWORTHY: Polo Ralph Lauren (RL), Alcan (AL), Alcoa (AA) and Conn's, Inc (CONN) were today's noteworthy initiations:

• Polo Ralph Lauren (NYSE: RL) was initiated with a Market Perform rating at Piper Jaffray. The firm feels the risk/reward is balanced at current levels given the near-term risks from increased investment and exposure to inconsistent U.S. wholesale markets.

• Goldman Sachs resumed coverage of Alcan (NYSE: AL) and Alcoa (NYSE: AA) with Neutral ratings and a $101 target and $48 target, respectively.

• Morgan Joseph is positive on Conn's Inc's (NASDAQ: CONN) strong track record of growth, new store growth and easy comps, and initiated shares with a Buy rating and $34 target.

OTHER INITIATIONS:

• Merriman initiated shares of Blue Coat Systems (NASDAQ: BCSI) with a Buy rating.

• Stifel initiated shares of Pharmerica (NASDAQ: PMC) with a Hold rating on valuation.

• Equinix (NASDAQ: EQIX) and SAVVIS, Inc (NASDAQ: SVVS) were initiated at CIBC World Markets with Sector Performer ratings.

Analyst summaries provided by TheFlyOnTheWall.com (subscription required).