• Best Buy (NYSE: BBY) posted earnings sharply above estimates at 60 cents, versus estimates of 44 cents on revenues of $11.34 billion

• MedAssets (NASDAQ: MDAS) plans to purchase The Broadlane Group for $850 million in cash

• Reports say Green Mountain Coffee Roasters (NASDAQ: GMCR) is planning to buy rival firm Van Houtte for about $1 billion

• Barclay's (NYSE: BCS) global services conference will include presentations by JP Morgan (NYSE: JPM) and Bank of America (NYSE: BAC)

• Enbridge (NYSE: ENB), still experiencing shutdown of its pipeline to US refineries in the Midwest and a key storage hub in Oklahoma, shut down a third pipeline in New York state due to a spill

• Piper Jaffray (NYSE: PJC) downgraded ratings on TIBCO Software from "overweight" to "neutral," with a price target of $15

• Piper Jaffray (NYSE: PJC) downgraded ratings on Informatica (NASDAQ: INFA) from "overweight" to "neutral," with a price target of $34

• Piper Jaffray (NYSE: PJC) downgraded ratings on salesforce.com (NYSE: CRM) from "overweight" to "neutral," with a price target of $115