Some of the stocks that may grab investor focus today are:

Cal-Maine Foods (CALM) +0% reported weaker-than-expected earnings for its second quarter on Tuesday. Cal-Maine Foods shares dropped 7.7% to $35.35 in the after-hours trading session.

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Wall Street expects FuelCell Energy, Inc. (FCEL) +0% to report a quarterly loss at $0.04 per share on revenue of $21.86 million before the opening bell. The company recently entered into a settlement agreement with POSCO Energy Co., Ltd., and its subsidiary Korea Fuel Cell Co., Ltd. FuelCell Energy shares gained 2.7% to $6.03 in after-hours trading.

JD.com, Inc. (JD) +0% boosted its share buyback plan from $2 billion to $3 billion. JD.com shares gained 0.4% to $66.12 in the after-hours trading session.

Darling Ingredients Inc. (DAR) -0.03% agreed to acquire all of the shares of Valley Proteins, Inc. for around $1.1 billion in cash. Darling Ingredients shares gained 0.3% to close at $66.52 on Tuesday.

Edesa Biotech, Inc. (EDSA)+0% reported a net loss of $13.34 million, or $1.10 per share for the fiscal year ended September 30, 2021, versus a year-ago net loss of $6.36 million, or $0.74 per share. There were no revenues for the year, versus $0.33 million in the previous year. Edesa Biotech shares dipped 9.7% to $5.31 in after-hours trading.