Flotek Industries Inc. (NYSE: FTK) leaped 12.1 percent in price to $6.56. Volume was 1,892,503, nosing its full-day volume average of 1,451,310. The Houston-based FTK supplies drilling and production-related products to the mining and energy industries mining industries.
Apple Inc. (Nasdaq: AAPL) was active Tuesday, dealing in 49,819,895 shares Thursday, better than triple its full-day average. Prices for the stock sagged 2.2 percent to $340.89, on word CEO Steve Jobs is taking medical leave of absence.
Borders Group Inc. (NYSE: BGP) fell 13.2 percent to 92 cents. Volume for the stock was 6,837,874 shares, about three and a half times its all-day average, after reports surfaced over the weekend that the company has hired bankruptcy and restructuring lawyers.