Volume Spike Investor

DryShips Inc.  (Nasdaq: DRYS) shares are up more than 5 percent to $5.19, on nearly 300,000 shares traded in the premarket after Credit Suisse boosted its rating on the stock from Outperform from Underperform and raises its target price to $8 from $5. The research firm believes the value of its rig assets are being ignored by investors. — Mike Tarsala