The companies which are expected to see active trade on Tuesday are Alcoa, Advanced Micro Devices, Lennar Corp, Supervalu, Apollo Group, Stryker, Intel and Nvidia.

Alcoa Inc. (NYSE:AA) shares declined 1.70 percent to $16.21 in aftermarket trading session. The company posted better-than-expected fourth quarter net income of $0.21 per share, but sales of $5.65 billion missed $5.71 billion analysts estimated.

Advanced Micro Devices, Inc. (NYSE:AMD) shares declined 4.35 percent to $8.79 in post market trading on the news that the company's President and CEO Dirk Meyer had resigned and that Thomas Seifert has been named Interim CEO.

Lennar Corp (NYSE:LEN) shares advanced 2.70 percent to $19.41 in post market trading session. The company is expected to report fourth quarter net income of $0.02 per share before the markets open on Tuesday.

Supervalu Inc. (NYSE:SVU) shares advanced 0.12 percent in afterhours trading session on Monday. The company is expected to post third quarter net income of $ 0.31 per share compared to $ 0.46 per share in the same quarter a year ago.

Apollo Group Inc. (NASDAQ:APOL) shares advanced 5.98 percent to $38.09 in post market trading session, following better-than-expected first earnings. It’s earnings per share rose to $1.61 from $1.54 and revenue increased to $1.33 billion from $1.26 billion in the same quarter last year.

Stryker Corp. (NYSE:SYK) advanced 3.18 percent to $56.44 in aftermarket trading hours. The company forecasts adjusted earnings in 2011 of as much as $3.73 per share against analysts’ estimation of $3.65 per share.

Shares of Intel (NASDAQ:INTC) and Nvidia Corp. (NASDAQ:NVDA) will be on focus as both the companies have signed a cross-licensing agreement and resolved outstanding pending disputes between them. Under the deal, Intel will pay Nvidia $1.5 billion over the next five years.

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