Microsoft's (NasdaqGS:MSFT - News) search to challenge Google (NasdaqGS:GOOG - News) for a bigger share of the multibillion dollar online ad market may be limited to an alliance with Yahoo (NasdaqGS:YHOO - News).

Microsoft's (NasdaqGS:MSFT - News) search to challenge Google (NasdaqGS:GOOG - News) for a bigger share of the multibillion dollar online ad market may be limited to an alliance with Yahoo (NasdaqGS:YHOO - News).

Fortress Investment Group (NYSE:FIG) reported a loss for the fourth quarter, missing estimates by a wide margin. FIG's Short Term PowerRating is 3. Shares of Penn National Gaming (NasdaqGS:PENN) rose