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

• Wall Street expects Carnival Corp (NYSE:CCL) to report quarterly earnings at $2.2 per share on revenue of $5.39 billion before the opening bell. Carnival shares dropped 0.61 percent to $63.11 in after-hours trading.
• Analysts expect Micron Technology, Inc. (NASDAQ:MU) to post quarterly earnings at $1.83 per share on revenue of $5.94 billion after the closing bell. Micron shares slipped 0.34 percent to $34.75 in pre-market trading.
• Red Hat Inc (NYSE:RHT) reported better-than-expected results for its second quarter and raised its guidance for the year. Red Hat shares surged 3.35 percent to $109.30 in the after-hours trading session.
• Before the markets open, FactSet Research Systems Inc. (NYSE:FDS) is estimated to report quarterly earnings at $1.89 per share on revenue of $325.27 million. FactSet shares gained 0.01 percent to $170.82 in after-hours trading.

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