Strategic Diagnostics Inc. (Nasdaq: SDIX) shares shot higher 42.5 percent Wednesday to $2.65, on volume of 2,094,668 shares, towering over its full-day average of about 31,000. SDIX announced Wednesday its RapidChek SELECT Salmonella Enteritidis (SE) test system has been reviewed by FDA and determined to be equivalent in accuracy, precision and sensitivity to their current standard methods for poultry house environmental drag swabs and pooled egg testing.

Bank of America Corp. (NYSE: BAC) traded in 113,699,846 shares noon Wednesday, nearly half its all-day average. Prices for BAC moved forward 1.8 percent to $14.95, as part of a general upward trend for bank stocks.

K-V Pharmaceutical Company (NYSE: KV.A) fell 21.9 percent Wednesday to $1.78. Volume for the stock was 1,722,746 shares or nearly five times its daily verage, after the company said it was “evaluating its liquidity outlook” in light of a delay by U.S. regulators over approval of a treatment to prevent preterm birth.