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

• Apollo Group Inc. (NASDAQ: APOL) posted better-than-expected Q3 earnings due to higher enrollments.
• Ball Corp. (NYSE: BLL) expected earnings growth resulted in an upgrade from one analyst.
• Constellation Brands Inc. (NYSE: STZ) shares soared after Q1 earnings topped analysts' expectations.
• General Mills Inc. (NYSE: GIS) profit doubled in Q4, beating estimates, and annual sales also rose.
• H&R Block Inc. (NYSE: HRB) reported earnings growth for the fiscal year but essentially flat revenues.
• Schnitzer Steel industries Inc. (NASDAQ: SCHN) surprised analysts with a Q3 loss, sending shares lower.
• Sealy Corp. (NYSE: ZZ) Q2 earnings fell short of expectations and revenues declined due to the recession.

Analyst Upgrades

• Merriman upgraded Regal Entertainment (NYSE: RGC) to Buy from Neutral as the analyst is less concerned about Q2 box office performance following the Transformers 2 opening weekend.
• Baird upgraded Ball (NYSE: BLL) to Outperform from Neutral and raised its target to $52 from $46 citing cost cutting initiatives, a volume trough in Q1, and expected earnings growth.
• Morgan Stanley upgraded JCPenney (NYSE: JCP) to Overweight from Equal Weight. The firm cites valuation and gross margin opportunity for the upgrade. The firm has a $35 target on shares.
• KB Home (NYSE: KBH) was raised to Neutral from Underperform at Credit Suisse.
• Cognizant (NASDAQ: CTSH) was upgraded to Market Perform from Underperform at Wachovia.
• Lloyds Banking (NYSE: LYG) was upgraded to Conviction Buy from Neutral at Goldman.

• Citigroup upgraded shares of Ball (NYSE: BLL) to Buy from Hold and raised its target to $45 from $41 as they believe recent capacity closures will be positive for beverage can operating rates.
  
• Deutsche Bank upgraded Rio Tinto (NYSE: RTP) to Buy from Hold on valuation and the company's plans to preserve cash.
• ThinkPanmure upgraded Intel (NASDAQ: INTC) to Accumulate from Sell and raised its target to $17 from $12 citing trough earnings in 2009 and lowered expectations.
• Viacom B (NYSE: VIA.B) was added to Goldman's Conviction Buy List.
  
• Telefonica (NYSE: TEF) was upgraded to Outperform from Neutral at Credit Suisse.
  
• Onyx Pharma (NASDAQ: ONXX) was raised to Overweight from Neutral at JP Morgan.