Cimatron Limited (Nasdaq: CIMT) climbed 17.4 percent to $4.30 Wednesday. Volume of 238,432 shares very nearly quadrupled its full-day volume average, on word CIMT has signed a partnership and distribution agreement with Atometric Inc., a provider of CNC micro-machining centers and contract micro-machining solutions.

Citigroup Inc. (NYSE: C) was a volume leader early Wednesday, trading in 249,690,475 shares, catching up on its full-day average of 554,789,000. Prices for the stock inched up 0.3 percent to $4.82., after Oppenheimer fixed an Outperform rating and $5.50 price target.

LodgeNet Interactive Corporation (Nasdaq: LNET) tanked 24 percent Wednesday to $3.13. Volume for the stock was 1,813,261 shares, seven times its normal daily volume. LNET is the leading provider of media and connectivity solutions designed to meet the unique needs of hospitality, healthcare and other guest-based businesses.