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

• Wall Street expects Citigroup Inc (NYSE:C) to report quarterly earnings at $2.60 per share on revenue of $18.82 billion before the opening bell. Citigroup shares rose 0.1% to $72.98 in after-hours trading.
• Before the markets open, UnitedHealth Group Inc (NYSE:UNH) is projected to report quarterly earnings at $4.38 per share on revenue of $69.22 billion. UnitedHealth shares rose 0.2% to $376.31 in after-hours trading.
• Dell Technologies Inc (NYSE:DELL) announced planned spin-off of 81% equity interest in VMware, Inc. (NYSE:VMW). Under the terms, VMware will distribute special cash dividend of $11.5 billion to $12 billion. Dell shares climbed 8.5% to $100.58 in after-hours trading, while VMware shares rose 1.5% to $157.80 in the after-hours trading session.

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• Analysts are expecting PepsiCo, Inc. (NASDAQ:PEP) to have earned $1.12 per share on revenue of $14.55 billion for the latest quarter. The company will release earnings before the markets open. PepsiCo shares fell 0.3% to $141.72 in after-hours trading.
• Before the opening bell, Delta Air Lines, Inc. (NYSE:DAL) is estimated to report quarterly loss of $3.13 per share on revenue of $3.91 billion. Delta Air shares slipped 0.1% to $48.15 in after-hours trading.
• Analysts expect Bank of America Corp (NYSE:BAC) to report quarterly earnings at $0.66 per share on revenue of $22.13 billion before the opening bell. Bank of America shares rose 0.6% to $40.11 in after-hours trading.