Stock futures searched for direction Wednesday evening amid a mixed batch of corporate earnings results and a Federal Reserve decision that signaled the central bank was still looking for the U.S. economy to recover further before adjusting its monetary policies.

Contracts on the S&P 500 edged slightly lower. The index ended the regular session in the red but hovered less than 0.5% below its recent all-time closing high. Contracts on the Dow rose, while those on the Nasdaq dipped.

Shares of Facebook (FB) slid in late trading after the company said it saw a sales deceleration in the second half of the year and suggested an Apple iOS app-tracking update would negatively impact its core advertising business. The comments overshadowed what was otherwise an estimates-topping second-quarter report, with revenue growing far more than expected as the broader internet advertising industry recovered further. Peer tech company PayPal (PYPL) also saw shares slide after delivering a current-quarter forecast that missed consensus estimates.

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