Stocks flat on earnings reports, Boeing news

(01-18) 08:52 PST NEW YORK, (AP) --

Stocks are edging higher in midday trading, led by Boeing Co.

The aircraft maker reported Tuesday that it expects to deliver its new 787 jet between July and September.

Boeing is up 3 percent, leading the 30 companies that make up the Dow Jones industrial average. Stocks had been trading lower in the morning with Apple Inc. and Citigroup weighing on indexes. Apple fell 3.3 percent after saying that CEO Steve Jobs was taking another medical leave. The company will also report earnings after the stock market closes, along with IBM Corp.

Citigroup fell 5.3 percent after reporting weak earnings.

The Dow is up 66, or 0.5 percent, to 11,854. The S&P; 500 index fell 0.6 to 1,293. The Nasdaq is up 2, or 0.1 percent, to 2,757.