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

• Wall Street expects Goldman Sachs Group Inc (NYSE: GS) to report quarterly earnings at $4.76 per share on revenue of $7.65 billion before the opening bell. Goldman Sachs shares rose 0.50 percent to $236.92 in after-hours trading.
• Analysts are expecting Citigroup Inc (NYSE: C) to have earned $1.12 per share on revenue of $17.29 billion in the latest quarter. Citigroup will release earnings before the markets open. Citigroup shares declined 0.07 percent to $58.34 in after-hours trading.
• United Continental Holdings Inc (NYSE: UAL) reported better-than-expected results for its fourth quarter on Tuesday. United Continental shares slipped 1.70 percent to $72.49 in the after-hours trading session.
• Before the opening bell, Fastenal Company (NASDAQ: FAST) is estimated to report its quarterly earnings at $0.38 per share on revenue of $952.28 million. Fastenal shares gained 0.51 percent to $48.50 in after-hours trading.
• Analysts expect Netflix, Inc. (NASDAQ: NFLX) to post quarterly earnings at $0.13 per share on revenue of $2.47 billion after the closing bell. Netflix shares gained 0.44 percent to $133.47 in after-hours trading.

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• ADTRAN, Inc. (NASDAQ: ADTN) posted upbeat results for its fourth quarter on Tuesday. ADTRAN shares gained 2.44 percent to $23.10 in the after-hours trading session.
• Before the markets open, Charles Schwab Corp (NYSE: SCHW) is projected to report its quarterly earnings at $0.35 per share on revenue of $1.97 billion. Charles Schwab shares gained 0.42 percent to $40.50 in after-hours trading.
• Analysts expect U.S. Bancorp (NYSE: USB) to report quarterly earnings at $0.81 per share on revenue of $5.36 billion before the opening bell. U.S. Bancorp shares dropped 2.67 percent to close at $50.31 on Tuesday.
• Hewlett Packard Enterprise Co (NYSE: HPE) announced the purchase of SimpliVity for $650 million in cash. Hewlett Packard Enterprise shares slipped 1.07 percent to close at $22.69 on Tuesday.
• After the closing bell, Kinder Morgan Inc (NYSE: KMI) is expected to post its quarterly earnings at $0.18 per share on revenue of $3.53 billion. Kinder Morgan shares rose 0.58 percent to close at $22.55 on Tuesday.