Cherokee International ( CHRK) rose after the maker of power supplies signed a new distribution agreement with New Age/Kruvand of Atlanta. New Age/Kruvand will be responsible for selling Cherokee International's power supplies and power consulting services in the southeastern U.S. Shares of Cherokee rose 42 cents, or 12.4%, to $3.82.

Liquidity Services ( LQDT - Get Report), an online auction marketplace for wholesale, surplus and salvage assets, expanded the scope of its work with the Defense Department, saying it will assist the Defense Reutilization and Marketing Service in establishing new centralized controlled property centers in the U.S. Liquidity Services will support the DRMS through the development and implementation of customized inventory inspection and tracking procedures designed to mitigate risks related to the sale of surplus Defense Department property to the public. The company's shares were rising $1.27, or 9.2%, to $15.04.

Napco Security Systems ( NSSC - Get Report), a supplier of electronic security equipment, was dropping following its fiscal-year earnings report. Napco earned $6.1 million, or 30 cents a share, but analysts were looking for 37 cents, according to Thomson First Call. Sales rose 7% to $69.5 million. The company also said it was "cautiously optimistic that all the necessary components are in place to improve shareholder value even further in fiscal 2007." Shares of Napco were falling $1.36, or 18.1%, to $6.15.