Analyst Upgrades

• JPMorgan upgraded Smith Micro (SMSI) to overweight from neutral and raised its price target to $15 from $9, citing the release of a WiFi iPad with MiFi from Verizon and Apple.
• Jefferies upgraded Whole Foods (WFMI) to buy from hold and raised its price target to $45 from $36, citing checks that indicate sales are accelerating and the company has been focused on expense control.
• Wells Fargo upgraded Ensco (ESV) and raised its price target to $54 to $56 from $46 to $47, citing valuation, the lifted deepwater drilling ban and higher oil prices.
• Gran Tierra Energy (GTE) was upgraded to buy from hold at Wunderlich, citing the company's Moqueta oil discovery as well as other near-term exploration opportunities, and raised its price target to $12.50 from $7.00.
• Chico's FAS (CHS) was upgraded to buy from hold at KeyBanc and set a $13 price target.
• UR-Energy (URE) was upgraded to buy from hold at KeyBanc.

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

• Bob Evans Farms Inc. (NASDAQ: BOBE) posted stronger-than-expected Q4 earnings.
• Ciena Corp. (NASDAQ: CIEN) beat earnings expectations, but share prices slipped anyway.
• Daktronics Inc. (NASDAQ: DAKT) Q4 results beat expectations and it raised its revenue outlook.
• Diageo (NYSE: DEO) is recession-proof and should deliver solid results, predicts one adviser.
• Donaldson Company Inc. (NYSE: DCI) beat Q3 expectations and raised its full-year guidance.
• Ensco International Inc. (NYSE: ESV) was upgraded because of its earnings growth potential.
• Lehman Brothers Holdings Inc. (NYSE: LEH) earnings prospects don't impress Jim Cramer.
• Netezza Corp. (NYSE: NZ) beat Q1 expectations and offered full-year revenue guidance.
• Potash Corp. (NYSE: POT) earnings are "set to soar" says one analyst, due to rising demand and prices.
• Sherwin-Williams Co. (NYSE: SHW) lowered its Q2 and full-year forecasts, sending shares down.
• Take-Two Interactive Software Inc. (NASDAQ: TTWO) beat Q2 estimates on Grand Theft Auto IV demand.
• Trina Solar Ltd. (NYSE: TSL) beat Q1 estimates but shares fell on the disappointing Q2 outlook.
• Wal-Mart Stores Inc. (NYSE: WMT) was upgraded due to its earnings outlook and increased productivity.

See also: Earnings highlights: Toll Bros., National Semiconductor, Dr Pepper, Guess and others

Also, continued real estate losses are expected to hurt the quarterly reports of banks such as like Wachovia (NYSE: WB), Wells Fargo (NYSE: WFC), and National City (NYSE: NCC). And Steven Mallas wonders why Playboy (NYSE: PLA) shares have tanked since its last earnings report.

Upcoming results to watch for include Krispy Kreme (NYSE: KKD), Pall Corp. (NYSE: PLL), Pep Boys (NYSE: PBY), Korn Ferry (NYSE: KFY), and Casey's General Stores (NASDAQ: CASY).

Visit AOL Money & Finance for more earnings coverage.