Futures lower as oil rally falters

Crude prices fell about 2 percent, with U.S. crude hovering at $30 per barrel after a record increase in U.S. stockpiles. Oil prices and the stock market have moved in lockstep for much of the year as investors look at demand for energy for a bearing on global economic health. Oil prices rose more than 14 percent in the three days to Thursday after a move by top exporters to freeze oil output at January's levels.