Stocks in the news: Campbell Soup, Morgan Stanley, AIG, National Semi

Some of the companies making headlines today:

Campbell Soup (CPB) is reporting fourth-quarter earnings, with analysts expecting the company to report earnings per share of 26 cents, in line with last year. Update: Campbell reported that adjusted net earnings rose 11 percent to $107 million compared with $96 million in the prior year's quarter,and adjusted net earnings per share grew by 15 percent to 30 cents in the current quarter (negatively impacted by currency exchange by 2 cents) compared with 26 cents in the year-ago quarter.

Morgan Stanley (MS) CEO John Mack is stepping down and will be replaced by retail brokerage head James Gorman. Mack has struggled to return Morgan Stanley to profitability as the firm has lost money since the third quarter of 2008 and reined in trading even as Goldman Sachs Group Inc. (GS) earnings hit an all-time high.