Benzinga's Rumor Mill (PMCS, GXDX, STI, EXPE)

PMC-Sierra PMCS is up 2% on the back of a potential buyout of the name. Options, specifically calls are seeing heavy volume today on the rumor. 4,700 calls have traded today, as opposed to 80 puts. PMC-Sierra engages in the design, development, marketing, and support of semiconductor solutions for the enterprise infrastructure and communications infrastructure markets. Genoptix, Inc. GXDX has also been mentioned as a rumor of a takeout today. Shares are down 8 cents to $20.73, as it looks like Wall Street isn't buying this one. Genoptix provides specialized laboratory service that focus on delivering diagnostic services in the United States. SunTrust Banks, Inc. STI continues to have rumors about it, as J.P. Morgan JPM could be a potential acquirer for the company. More than 4,000 total calls have traded today. 180 puts have traded. The most actice is the January $30 call. Expedia EXPE has rumors about it that a potential LBO or massive buyback could take place.