Notice to All Investors Who Dealt With David Olson, Edward Allen, A&O Companies and World Group Securities, Inc. CORAL SPRINGS, Fla., Jan. 5, 2009 (GLOBE NEWSWIRE) -- The securities law firms Blum & Silver, LLP (www.stockattorneys.com) and Shepherd Smith Edwards & Kantas LLP (www.stockbroker-fraud.com)...