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

• Wall Street expects Lowe's Companies, Inc. (NYSE:LOW) to report quarterly earnings at $2.93 per share on revenue of $21.10 billion before the opening bell, according to data from Benzinga Pro. Lowe's shares fell 0.2% to $228.70 in after-hours trading.
• Palo Alto Networks, Inc. (NASDAQ:PANW) posted better-than-expected earnings for its third quarter. The company said it sees fourth-quarter adjusted earnings of $1.40 to $1.42 per share on total revenue of $2.15 billion to $2.17 billion. Palo Alto shares dipped 8.6% to $295.89 in the after-hours trading session.
• Analysts are expecting Macy's, Inc. (NYSE:M) to post quarterly earnings at 14 cents per share on revenue of $4.85 billion. The company will release earnings before the markets open. Macy's shares rose 0.1% to $19.12 in after-hours trading.

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• Zoom Video Communications Inc (NASDAQ:ZM) reported stronger-than-expected earnings for its first quarter on Monday. The company said it sees fiscal second-quarter revenue in the range of $1.145 billion to $1.15 billion versus estimates of $1.15 billion. Zoom said it expects second-quarter adjusted earnings to be between $1.20 and $1.21 per share versus estimates of $1.23 per share. Zoom Video shares slipped 1.2% to $63.35 in the after-hours trading session.
• Analysts expect Toll Brothers, Inc. (NYSE:TOL) to post quarterly earnings at $4.14 per share on revenue of $2.53 billion after the closing bell. Toll Brothers shares rose 0.01% to $131.07 in after-hours trading.