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

Wall Street expects Delta Air Lines, Inc. ( DAL ) to report quarterly earnings at 36 cents per share on revenue of $12.57 billion before the opening bell, according to data from Benzinga Pro. Delta Air shares gained 0.3% to $47.46 in after-hours trading.

PriceSmart, Inc. ( PSMT ) posted better-than-expected earnings for its second quarter. The company reported quarterly earnings of $1.31 per share, beating market estimates of $1.25 per share. PriceSmart ( PSMT ) shares climbed 4.7% to $87.01 in the after-hours trading session.

Analysts are expecting Richardson Electronics, Ltd. ( RELL ) to post quarterly earnings at 2 cents per share on revenue of $56.00 million. The company will release earnings after the markets close. Richardson Electronics ( RELL ) shares gained 1.5% to close at $9.35 on Tuesday.

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Smart Global Holdings, Inc. ( SGH ) posted better-than-expected results for its second quarter. The company saw third-quarter earnings of 30 cents per share, plus or minus 15 cents, versus the 28 cent estimate. The company expects third-quarter revenue of $300 million, plus or minus $25 million, versus the $307.864 million estimate. Smart Global ( SGH ) shares dipped 7.4% to $24.01 in the after-hours trading session.

Analysts expect Lakeland Industries, Inc. ( LAKE ) to post quarterly earnings at 30 cents per share on revenue of $32.50 million after the closing bell. In after-hours trading, Lakeland Industries ( LAKE ) shares rose 2.8% to $17.90.

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