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

Wall Street expects Microsoft Corporation ( MSFT ) to report quarterly earnings at $2.93 per share on revenue of $64.36 billion after the closing bell. Microsoft ( MSFT ) shares fell 0.4% to $425.00 in after-hours trading.

Flowserve Corporation ( FLS ) reported upbeat earnings for its second quarter on Monday. Flowserve ( FLS ) shares fell 0.8% to $50.50 in the after-hours trading session.

Analysts expect Pfizer Inc ( PFE ). to post quarterly earnings at 46 cents per share on revenue of $13.02 billion. The company will release earnings before the markets open. Pfizer ( PFE ) shares fell 0.2% to $30.72 in after-hours trading.

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Harmonic Inc ( HLIT ). reported better-than-expected second-quarter financial results and issued third-quarter revenue guidance above estimates. Harmonic shares jumped 13.2% to $13.30 in the after-hours trading session.

Analysts expect The Procter & Gamble Company ( PG ) to post quarterly earnings at $1.37 per share on revenue of $20.74 billion before the opening bell. Procter & Gamble ( PG ) shares gained 0.3% to $170.39 in after-hours trading.

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