Activision (ATVI) closed at $11.44. ATVI "Call of Duty: Modern Warfare 2" went on sale in North America and the U.K. on November 12 selling 4.7 million games, cnet.com reports. ATVI December and January option implied volatility of 41 is near its 26-week average, according to Track Data, suggesting non-directional price movement.

SPDR Homebuilders (NYSE: XHB) closed at $14.87. December call option implied volatility is at 38, January calls are at 40; below its 26-week average of 46, according to Track Data, suggesting decreasing price movement.

Option Update is provided by Stock Specialist Paul Foster of theflyonthewall.com.

SPDR Homebuilders (NYSE: XHB) is recently down 45 cents to $14.42 in pre-open trading. XHB September option implied volatility is at 39, December is at 40; below its 26-week average of 55, according to Track Data, suggesting decreasing price movement.

Financial Select Sector (NYSE: XLF) is recently down 48 cents to $13.76 in pre-open trading. August option implied volatility is at 34; September is at 36; below its 26-week average of 55, according to Track Data, suggesting decreasing price movement.

Options Update: Option Update is provided by Stock Specialist Paul Foster of theflyonthewall.com.