Stein, Rosenberg & Stein, P.A. Investigating Broker Liability; Many Investors in the Financial Sector May Have Significant Losses From Holding Over-Concentrated Positions in Significantly Devalued Stocks BOCA RATON, Fla., Oct. 1, 2008 (GLOBE NEWSWIRE) -- It appears that with the financial community and the stock market in turmoil, many investors may be suffering significant losses in their portfolios...