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

• Wall Street expects Walgreens Boots Alliance Inc (NASDAQ:WBA) to report quarterly earnings at $1.11 per share on revenue of $35.53 billion before the opening bell. Walgreens shares rose 1% to $53.49 in after-hours trading.
• BlackBerry Ltd (NYSE:BB) reported in-line earnings for its fourth quarter, while sales missed expectations. BlackBerry shares dropped 8.1% to $8.58 in the after-hours trading session.
• Analysts are expecting Micron Technology, Inc. (NASDAQ:MU) to have earned $0.95 per share on revenue of $6.23 billion for the latest quarter. The company will release earnings after the markets close. Micron shares rose 0.2% to $86.68 in after-hours trading.

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• ProPhase Labs Inc (NASDAQ:PRPH) disclosed that it has acquired mobile app company VaccTrack, which confirms a user has been vaccinated against COVID-19, for an undisclosed amount. ProPhase Labs shares jumped 32.1% to $8.28 in the after-hours trading session.
• Analysts expect Acuity Brands, Inc. (NYSE:AYI) to report quarterly earnings at $1.72 per share on revenue of $776.08 million before the opening bell. Acuity Brands shares gained 3% to $149.99 in after-hours trading.