Oppenheimer Upgrades U.S. Silica Holdings To Outperform

Analysts at Oppenheimer upgraded U.S. Silica Holdings Inc SLCA from Perform to Outperform. U.S. Silica Holdings shares have dropped 33.37 percent over the past 52 weeks, while the S&P 500 index has surged 9.07 percent in the same period. U.S. Silica Holdings' shares rose 1.00 percent to $33.30 in after-hours trading.