Dot Hill Systems Corp. (Nasdaq: HILL) shares gained 28.6% to $2.43 Monday. Volume of 1,025,822 shares proved more than six times its usual volume, on word that the Colorado-based storage solutions company projects fourth-quarter net revenue in the range of $65.0 to $65.5 million, compared to previous guidance of $58.0 to $62.0 million. Non-GAAP gross margin is expected to be in the range of 21% to 22%, compared to previous guidance of 19% to 20%.

Microsoft Corp. (Nasdaq: MSFT) did great volume Monday, trading in 31,172,497 shares, more than half its daily average of 57,160,700. Prices for MSFT demurred 1.4 percent to $28.20. Microsoft Corp. today announced that business-critical Windows 7 applications for the retail and hospitality industry will be demonstrated in its booth (No. 836) this year at the National Retail Federation’s 100th Annual Convention & Expo.

Capella Education Company (Nasdaq: CPLA) sustained a loss of 18.4 percent Monday to $54.79. Volume for the stock was 956,579 shares or nearly quadruple its daily average. CPLA provides exclusively online post-secondary education through its wholly-owned subsidiary Capella University.