With U.S. stock futures trading lower this morning on Wednesday, some of the stocks that may grab investor focus today are as follows:

Wall Street expects Pfizer Inc ( PFE ). to report quarterly earnings at 54 cents per share on revenue of $14.20 billion before the opening bell, according to data from Benzinga Pro. Pfizer ( PFE ) shares rose 0.2% to $25.68 in after-hours trading.

Leggett & Platt, Incorporated ( LEG ) posted weaker-than-expected results for its first quarter. Leggett & Platt ( LEG ) shares fell 13.1% to $15.70 in the after-hours trading session.

Analysts are expecting Yum! Brands, Inc ( YUM ). to post quarterly earnings at $1.20 per share on revenue of $1.71 billion. The company will release earnings before the markets open. Yum! Brands ( YUM ) shares fell 0.6% to $140.45 in after-hours trading.

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Amazon.com Inc ( AMZN ) reported upbeat results for its first quarter on Tuesday, but issued weak sales forecast for the second quarter. The company reported first-quarter net sales of $143.3 billion, up 13% year-over-year. The net sales total beat a Street consensus estimate of $142.5 billion, according to data from Benzinga Pro. Amazon ( AMZN ) reported earnings per share of 98 cents in the first quarter, beating a Street consensus estimate of 82 cents per share. Amazon ( AMZN ) shares gained 1.3% to $177.20 in the after-hours trading session.

Analysts expect Mastercard Incorporated ( MA ) to post quarterly earnings at $3.24 per share on revenue of $6.34 billion before the opening bell. Mastercard ( MA ) shares rose 0.7% to $454.50 in after-hours trading.

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