7 Stocks you need to know for Tuesday

On the urging of the White House, Rick Wagoner stepped down from his position as CEO of General Motors (GM | Quote | Chart | News | PowerRating) on Monday. The move was seen as a rejection of Wagoner's efforts to restructure the company in the face of a government-mandated deadline.

Announcing quarterly earnings Tuesday before the market opens is home builder Lennar (LEN | Quote | Chart | News | PowerRating). Analysts are expecting an earnings per share loss of 64 cents.

Ebay (EBAY | Quote | Chart | News | PowerRating) acquisition, Skype announced that it will begin providing WiFi access for users of the iPhone.

The rise in popularity of the Blu-ray format over the DVD format has encouraged Netflix (NFLX | Quote | Chart | News | PowerRating) to boost its Blu-ray rental fees by 20%.

Morgan Stanley (MS | Quote | Chart | News | PowerRating) added to the bearish tone of Monday by recommending traders sell the current rally in the S&P 500 after call it the "steepest" since the 1930s. Goldman Sachs (GS | Quote | Chart | News | PowerRating) expressed similar anxieties, encouraging its clients to avoid "cyclical stocks" in particular.

Apollo Group (APOL | Quote | Chart | News | PowerRating) is expected to report quarterly EPS of 0.65 when it announces earnings Tuesday after the bell.