Valeant Pharmaceuticals International (NYSE: VRX) grew 16 percent in price Thursday to $34.75. Volume of 13,353,461 shares nearly quadrupled normal volume. Canada-based VRX is a multinational specialty pharmaceutical company that develops, manufactures and markets a broad range of pharmaceutical products primarily in the areas of neurology, dermatology and branded generics.

NVIDIA Corp. (Nasdaq: NVDA) did lots of business late Thursday, with 68,704,486 shares traded, four times its daily average. Prices for the stock gained 11.7 percent to $18.97. NVIDIA today announced the expansion of its NVIDIA® 3D Vision™ ecosystem with the addition of new 3D-enabled PCs and monitors by Lenovo.

Rare Element Resources Ltd. (AMEX: REE) fell 13.7 percent in Thursday trading to $13.85. Volume for the stock was 9,941,563 shares, nearly doubling its daily average. REE announced final 2010 assay results from seven additional rotary (reverse circulation) holes drilled on the Sundance Gold Project, Wyoming.