As Japan's nuclear crisis deepens, Wall Street may begin to focus on a small group of almost-ignored young biotechs. Known as the bio-defense group, these firms develop products that help protect the population from radiation leaks resulting from nuclear accidents or attacks. Continue reading Inside Wall Street: Looking to the Bio-Defense Sector as Nuclear Fears Mount Inside Wall Street: Looking to the Bio-Defense Sector as Nuclear Fears Mount originally appeared on DailyFinance on Wed, 16 Mar 2011 06:30:00. Filed Under: Company News , Columns , Investing , Stock Picks Permalink | Tweet this! | Comments