Take a look at some of Friday's midday movers:
Petrobras rebounded amid higher oil prices worldwide. Dow Jones also cited reports from Brazilian media, which reported that the top contenders for finance minister are mostly market friendly.
Royal Bank of Scotland fell on news that the institution recognized an error in calculations for the European Bank Authority stress test. The error led to the bank's stress test ratios being overstated.
Aruba Networks moved lower after the company's revenue guidance for the second quarter was light. The enterprise wireless services provider did post better-than-expected first-quarter results.
Intel came of its highs after CLSA downgraded the stock, saying the management's 2015 guidance for mid-single digit growth was optimistic.
Lionsgate moved lower. The company's latest movie in the Hunger Games series sold 17 million in tickets on its first night, less than what its predecessors brought in.