UPDATE 1-U.S.-based stock funds attract $10.3 bln inflow -Lipper

By Sam Forgione NEW YORK, March 6 (Reuters) - Investors in U.S.-based funds poured $10.3 billion into stock funds in the week ended Wednesday on reassurance that the U.S. economy is on better footing and reduced geopolitical tension, data from Thomson Reuters' Lipper service showed on Thursday. The inflows into stock funds in the week ended March 5 marked the fourth straight week of new cash into the funds. Funds that specialize in U.S. stocks attracted $8.9 billion of the net inflows,