FYI the company will report Tuesday Jan 15, 2013 and this bullish triangle with huge call option purchase brought this security under our review, and see a possible upside move of 15% if earnings beat the street. Option that expires Friday specially $41 strike price seems the most active. Friday an investor or a trade purchased nearly 14K contracts which is the highest open interest for the option that expires the coming Friday. If you decide to take a position make your stop loss at recent swing low $34. Option traders can join us www.woowtrading.net