Rambus Inc. (NASDAQ: RMBS) said it was notified by the SEC that it had ended its formal investigation into the company's past stock options practices. RMBS closed at $19.84. RMBS has upcoming patent infringement and anti-trust claim issues in 2008. RMBS January option implied volatility is 54 and May is at 74. RMBS average option implied volatility over the last 26-weeks is 64 according to Track Data, suggesting larger price movement.

Micron Technology Inc. (NYSE: MU) is recently up 18 cents to $9.13. MU has been frequently mentioned as takeover candidate over the last 18-months. MU December and January option implied volatility of 57 is above its 26-week average of 42 according to Track Data, indicating larger price risk.