Benzinga's Top Pre-Market Losers

DryShips Inc DRYS fell 10.09% to $6.50 in the pre-market trading. DRYS reported downbeat quarterly profit. Jos. A. Bank Clothiers Inc JOSB dipped 3.74% to $45.50 in the pre-market session. JOSB reported a 25% rise in its fiscal second-quarter net income. BlackRock Inc BLK moved down 0.67% to $164.51 in the pre-market session. BLK had $3.02 billion in total cash and $24.80billion in total debt for the latest quarter. Oracle Corporation ORCL lost 0.61% to $27.70 in the pre-market session. US authorities are investigating Oracle Corp on African deals, the Wall Street Journal reported.