At least six companies reported earnings last week. Shares of two China-focused companies, SciClone Pharmaceuticals Inc. (NASDAQ:SCLN) and WuXi PharmaTech Inc. (NYSE:WX), gained double-digit percentage points last week after beating the Street's EPS estimates and raising EPS guidance.

Molecular diagnostics company Myriad Genetics Inc. (NASDAQ:MYGN) fell 4% after providing EPS guidance for the fiscal year ended June 30, 2015 that was below the analyst consensus estimate.