U.S. stock-index futures traded lower on Wednesday, amid of swathes of big-name earnings and a Federal Reserve policy decision.
Nasdaq 100 futures were off about 1 percent. Shares in Apple were down more than 8 percent in pre-market trade after the company reported quarterly earnings and revenue that missed analysts' expectations. Its guidance for the current quarter also missed forecasts.
Companies that reported quarterly results early in the day included Comcast, Boeing and United Technologies Corporation. Comcast is said to be in talks to acquire Dreamworks Animation in a $3 billion deal.
Facebook will post numbers after Wall Street closes.