Benzinga's Top Pre-Market Gainers

DryShips DRYS soared 3.81% to $2.45 in the pre-market trading. DryShips' trailing-twelve-month operating margin is 21.66%. Green Mountain Coffee Roasters GMCR surged 2.34% to $31.07 in the pre-market session. Luigi Lavazza SpA lifted its stake in Green Mountain Coffee Roasters. Alcoa AA added 1.88% to $9.22 in the pre-market session. Alcoa's trailing-twelve-month revenue is $24.38 billion. State Street STT moved up 1.40% to $43.50 in the pre-market session. State Street projects its 2013 net interest margin to drop by 10 to 12 basis points.