Petry lost his hand in Afghanistan when he picked up a live enemy grenade and tried to toss it away from himself and two other soldiers. Petry grabbed the grenade and it exploded, which caused Petry to lose his hand but saved his fellow soldiers' lives. Petry joined the Army in September 1999 and previously received a Purple Heart, two Bronze Stars and three Army Commendation Medals. The chatter on Main Street (a.k.a. Google, Yahoo! and other search sites) is always of interest to investors on Wall Street. Thus, each day, TheStreet compiles the stories that are trending on the Web, and highlights the news that could make stocks move. --Written by Joe Deaux in New York.