US stocks turn mixed in midday trading; Disney, General Motors gain on better earnings

U.S. stock indexes are moving between slight gains and losses in midday trading as a four-day rally in the price of oil cools off.

Disney jumped 8 percent Wednesday after the entertainment giant reported higher profits. That helped pull the Dow Jones industrial average up.

The Dow was up 51 points, or 0.3 percent, to 17,719 as of 11:45 a.m. Eastern time.

The broader Standard & Poor's 500 index was flat at 2,049, and the Nasdaq composite was up four, or 0.1 percent, at 4,731.

The price of oil slumped 5 percent, ending a four-day rally. That helped pull energy stocks lower.

General Motors rose 5 percent after reporting solid profits despite a number of recalls.

Bond prices fell. The yield on the 10-year Treasury note rose to 1.82 percent.