Summary: Stocks turned lower at Thursday's opening bell with disappointment on ECB's President Mario Draghi hinting quantitative easing won't happen this year. Draghi said the central bank will wait until next quarter to assess if additional stimulus is needed. Fewer Americans filed for unemployment benefits last week from the week before. Jobless claims decreased to 297,000, slightly more than the 295,000 economists expected. Best Buy (BBY) is getting out of China. The electronics retailer will sell its China business to focus on its North American stores. CBS (CBS) may go dark for some viewers tonight. CBS threatened to pull its channels from the Dish Network (DISH) if the two can't come to agreement on a new contract.
