The Securities Arbitration Law Firm Of Klayman & Toskes Launches An Investigation On Behalf Of Diamond Offshore Drilling Shareholders Who Held Concentrated Positions In Diamond Offshore Drilling With Full-Service Wall Street Brokerage Firms

Drilling, Inc. (NYSE:DO) shareholders who held concentrated positions in Diamond Offshore Drilling stock with full-service Wall Street brokerage firms. For the year 2010, Diamond Offshore Drilling declined 34% ending the year at $66.87 per share. Since...