NEW YORK – Global shares slid, oil prices and the euro wavered Monday after the European Central Bank sought to squash speculation about the potential shape of market intervention to contain the euro zone debt crisis, damping recent investor enthusiasm for risk. Oil prices reverse course after a four-session climb and are falling as concerns resurface about Europe's economy. Benchmark oil fell 61 cents to $95.40 in morning trading on the New York Mercantile Exchange. Brent crude dropped 44 cents to $113.27 in London. Leading European stock markets posted modest losses on Monday, with London's FTSE 100 index of top companies closing 0.48 percent lower at 5,824.37 points. The FTSEurofirst 300 closed down 5.3 points, or 0.5 percent, at 1,104.86. In Frankfurt, the DAX 30 dipped by 0.10 percent to 7,033.68 points, while in Paris the CAC 40 slid 0.22 percent to 3,480.58 points. bur/rl/boc On Wall Street, The Dow Jones industrial average was down 13.67 points, or 0.10 percent, at 13,261.53. The Standard & Poor's 500 Index was down 2.36 points, or 0.17 percent, at 1,415.80. The Nasdaq Composite Index was down 6.07 points, or 0.20 percent, at 3,070.52. The euro traded near break-even, off a tad at $1.2341. The US Dollar Index was down 0.1 percent at 82.487. The euro's slide is expected to be limited, with the chance of the ECB taking action once the summer holiday season ends. – Agencies