Q.E.P. ( QEPC), a maker of tools for flooring and tiling, saw its shares soar amid extremely active trading in the wake of the company's latest quarterly report. First-quarter earnings rose to $900,000, or 23 cents a share, from $300,000 and 8 cents a share in the year-ago period. Sales rose to nearly $57 million from $54 million last year. Those results carried the stock up 65% recently to $10.63. Meanwhile, positive comments from a Wall Street research firm lifted shares of STEC ( STEC) 18.1% to $8.49. STEC, a seller of computer memory and data-storage products, was upgraded by CIBC to sector outperform and given a $9 price target. The firm also raised its earnings estimates for 2008. Volume in the stock was heavy. HandHeld Entertainment ( ZVUE), a digital-entertainment company, was rising 17.7% to $2.06 after it announced the release of the ZVUE 260, its third-generation, value-priced MP3 video player. The 260 will be available for purchase at Walmart.com Tuesday with a manufacturer's suggested retail price of less than $100. Sonesta International Hotels ( SNSTA) rose on word that Mercury Real Estate Advisors, the owner of 9.8% of its stock, is pushing for a sale of the company. Last month, Sonesta said it was examining its strategic options. The stock was up 16.7% to $47.24.