Stocks in the news: ConAgra, CarMax, Lowe's, Macy's, AIG

Some of the companies making headlines today:

ConAgra Foods (CAG) said Tuesday that its fiscal first-quarter profit dropped 63 percent because of a gain last year, but adjusted results beat analysts' estimates and it also raised outlook.

CarMax (KMX) said its fiscal second quarter profit surged on higher sales and a one-time gain related to its auto financing business. It earned $103 million, or 46 cents per share, but the results included a net gain of 10 cents per share related to its financing division. Sales rose 13 percent to $2.08 billion. The company handily beat estimates. Shares jumped nearly 7 percent ahead of the bell.