BofA, Ardea Biosciences, Wal-Mart, Microsoft See Active Share Volume Monday

Bank of America Corp (NYSE:BAC): James D. Forbes is leaving Bank of America (NYSE:BAC) to join UBS (NYSE:UBS) as vice chairman of UBS Group Americas, reported The New York Times, citing an internal memo.

Ardea Biosciences, Inc. (NASDAQ:RDEA): Leerink downgraded Ardea Biosciences following the takeover by AstraZeneca as it does not expect a higher bid to emerge.

Wal-Mart Stores, Inc. (NYSE:WMT): Wal-Mart May call option implied volatility is at 16, puts at 24; compared to its 26-week average of 18 according to Track Data, suggesting traders taking put positions for downside price movement on bribery allegations at its Mexican operations.

Microsoft Corporation (NASDAQ:MSFT): CommVault (NASDAQ:CVLT) announced an expanded collaboration with Microsoft (NASDAQ:MSFT) to offer a cloud storage capability that combines the power of Simpana software with the benefits and flexibility of storing data on the Windows Azure cloud platform. CommVault also announced that it has deepened its strategic alliance with Microsoft, expanding collaborative development and sales and marketing activities around the Windows Azure platform.

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