Wall Street stocks increased earlier on Wednesday trading session as geopolitical tension between the Russian Federation and Ukraine seems to be easing and on upbeat data coming from the U.S. boosting demand for the equities. The Standard & Poor's 500 Index gained 0.38% to 1,872.63, the Dow Jones industrial average added 0.36% to 16,426.45 and the Nasdaq Composite index rose 0.40% to 4,251.25.