Oil surge and Fed rate bets rattle futures ahead of Apple's iPhone event

Ahead of the bell Wall Street looks set for a quiet open, but don't let that fool you; there's plenty simmering under the surface. Dow futures slipped 0.3% following Tuesday's rough session, while S&P 500 and Nasdaq-100 contracts eased 0.2% and 0.4% respectively. Crude is creeping...