U.S. stock index futures signaled a slightly higher open on Wednesday, with European stocks boosted early in the day after Apple smashed analyst expectations by selling almost 9 million more iPhones than anticipated.
The tech giant's fourth quarter results, reported after the close of markets on Tuesday, beat on both the top and bottom lines in its fourth quarter results.
In Europe, investors cheered the results, with German-listed shares of Apple rising up to 6 percent in Wednesday's morning session. This helped shares of Apple suppliers like ARM Holdings, which climbed 3.4 percent in early deals.
Back in the U.S., all eyes will be on the Federal Open Markets Committee decision, due out at 2 p.m. ET on Wednesday, which is expected to bring no change to policy or forecasts, and no post-meeting press conference. However investors will be listen closely for any comment on oil markets, given the near-$10 per barrel drop in the oil price since the Committee met in mid-December.