Stock futures point to a slightly higher opening on Friday as investors await the key April jobs report for clues on the economy and the future direction of interest rates. Global cues seem supportive as bond yields eased and oil prices fell further on worries about oversupply. Investors shrugged off disappointing trade data out of China as fresh signs of economic weakness in the world’s second-largest economy fueled hopes of additional easing to avert a sharper economic slowdown. The sterling rallied against other major currencies after a projection showed Britain’s Conservative party will likely secure an effective parliamentary majority.