Stocks were slightly higher at Thursday's opening bell on the European Central Bank's game plan to stimulate its economy after leaving key interest rates unchanged. ECB President Mario Draghi said its trillion dollar bond buying program will begin on March 9 with hopes to end in September 2016. Weaker-than-expected economic data at home pulled back the upward momentum. Weekly jobless claims unexpectedly rose to 320,000 for the week ended Feb. 28. Q4 productivity was revised down slightly to a decline of 2.2% versus the estimated 2.3%. It will be a while longer before getting your hands on the new Apple (AAPL) iPad. Bloomberg is reporting a delay in the larger iPad production to September due to supply issues. Apple had expected to start production in the first quarter.