Among the stock activity stories for Tuesday, Aug. 7, from AP Business News:
— Shares of NetApp Inc., which makes data storage systems, climbed after UBS initiated coverage with a "Buy" rating.
— Shares of WMS Industries Inc. fell to their lowest point in nearly eight years as the gaming equipment company's fiscal fourth-quarter net income missed Wall Street's expectations and analysts worried about rising competition.
— Warnaco Group Inc. shares climbed as Wall Street found the clothing maker's second-quarter results encouraging even though Warnaco trimmed its annual profit and revenue estimates.
