Stocks rallied into the close Wednesday despite uncertainty over the Federal Reserve’s decision on interest rates, due Thursday. The Nasdaq rose 0.6%, the S&P 500 0.9% and the Dow Jones industrial average 0.8% in the stock market today. Volume was higher than Tuesday’s levels on both main exchanges, preliminary figures showed. Under Armour (UA) broke out of a six-week cup base to a new high as shares rallied 5%.