U.S. Stocks Extend Gains on Strong Housing Data; Boeing Shares Slide

U.S. stocks moved higher in midday trading on Wednesday after a choppy morning. A rebound in March existing home sales pushed stocks higher, outweighing disappointing quarterly results from Coca-Cola (KO) - Get Report . Boeing (BA) - Get Report shares fell more than two percent after Bank of America downgraded its stock to UNDERPERFORM from NEUTRAL with a $125 a share price target. Analysts said its 787 jets would not generate as much cash as expected. Angie's List (ANGI) - Get Report shares were in focus after the company reported a first-quarter loss. The home services website posted a 12 percent drop in membership revenue in its recent quarter. TheStreet's Scott Gamm reports from Wall Street.