MEMC Electronic Materials (WFR) stock options went haywire yesterday and its stock price was up about 2%. MEMC is based in St. Peters Missouri and is in the business of silicon wafers. It’s wafers are used for all sorts of semiconductor devices, microprocessors, memory and solar cells. MEMC’s competitors include Shin-Etsu Handotai (private), Siltronic (private), and SUMCO. MEMC recently announced they plan to acquire SunEdison, a provider of integrated solar systems. If you want to go green with solar, then SunEdison is a company that can help you. MEMC’s acquisition of SunEdison appears to be a good move, allowing MEMC to own and control more of the supply chain to its customers. MEMC’s stock price hasn’t been doing very well over the last year and is well off of its two-year price in the $95 range. The call option action for MEMC yesterday was significant in the short-term November call...