Cheesecake Factory ( CAKE) shares were leaping after the restaurant chain said that, based on preliminary results, comparable sales had risen a total of 0.8%, with a 0.4% rise for its Cheesecake Factory restaurants and a 7.8% climb in its secondary Grand Lux Cafe chain. It also said fourth-quarter sales have likely grown 18% from a year ago (on a 13-week basis) to $360.4 million, which tops the Street's view by about $6.4 million. Shares of the Calabasas Hills, Calif., company were up $1.63, or 6.6%, to $26.19. Vascular Solutions ( VASC) rose on word that the FDA had granted 501(k) safety clearance to the Minneapolis-based company's InnerChange micro-introducer catheter product. InnerChange allows physicians to inject the solution necessitated by diagnostic angiograms (X-rays of blood vessels) using a single micro-access needle stick. The company expects to begin its preliminary evaluations for launching the product sometime in January. Shares were gaining 38 cents, or 4.2%, to $9.38. Emageon ( EMAG) fell after the Birmingham, Ala.-based business-software company forecast 2007 sales between $136 million and $140 million, at least $23.4 million below the consensus. Earnings are pegged at $5.3 million and $6.5 million, or 24 cents to 29 cents a share; excluding items, they will likely range between 79 cents and 87 cents. Shares were sliding 94 cents, or 6.7%, to $13.00. ScanSource ( SCSC) dropped as the technology-products distributor issued disappointing fourth-quarter guidance. The Greenville, S.C., company expects to take in revenue between $467 million and $475 million. Analysts are looking for $489.4 million. Shares were losing $1.58, or 5.2%, to $28.55.