Stocks are mixed in midday trading, a day after the Dow Jones industrial average had its biggest gain this year. Traders are weighing concern about the U.S. debt limit against strong earnings from Apple and a slew of new deals.

Apple Inc. rose 3 percent after the company's income doubled last quarter, trumping analysts' estimates. Sales of the company's iPhones quadrupled in Asia.

American Airlines' parent company, AMR Corp., rose 2.4 percent after announcing an order for 460 planes, split between Boeing and Airbus. The new planes are expected to save money on fuel. Rising fuel prices left the airline with a loss of 85 cents a share, larger than analysts expected. The airline also said it would spin off its American Eagle subsidiary.

The Dow is down 10 points, or 0.1 percent, to 12,576 in midday trading. United Technologies Corp.'s dropped more than 2 percent, tugging down the Dow Jones industrial average.

The S&P 500 index is down 1 point to 1,325. The Nasdaq is down 11 points, or 0.4 percent, to 2,815.

Stronger profits from Coca-Cola Co. and IBM Corp. along with apparent progress in raising the U.S. debt limit prompted a stock market rally Tuesday. The Dow gained 202 points, its best day this year.

Clorox rose more than 3 percent after billionaire investor Carl Icahn raised his bid for the company to $80 a share. The consumer products company rejected his previous offer.