STOCKS FALTER AS STREET WAITS FOR 'BREXIT' VOTE
U.S. stocks lost steam Wednesday as traders treaded cautiously a day ahead of the still too-close-to-call vote in Britain on whether to stay in theEuropean Union.After opening higher, the three major indexes ducked a little below break-even in the afternoon. The Dow Jones industrial averageended down about 49 points, or 0.3% lower. The broader Standard & Poor's 500 stock index and the Nasdaq composite lost 0.2% apiece.The so-called "Brexit" risk — or Britain exiting the 28-nation E.U. — is still hanging over global financial markets ahead of Thursday's closely watched referendum. From an investment perspective, a vote to stay in the E.U