Updated throughout the day.

Aol (NYSE: AOL) has hired investment bankers to look at strategic option which may include a bid for Yahoo! (NASDAQ: YHOO) (WSJ)

Sara Lee (NYSE: SLE) is close to selling its North American bakery business to Grupo Bimbo (Bloomberg)

Citigroup (NYSE: C) is being probed by the US government over the sale of mortgage paper that lost value (WSJ)

Amazon.com (NASDAQ: AMZN) will buy the parent of Diapers.com (WSJ)

Douglas A. McIntyre