On the other hand, California-based Hansen Medical ( HNSN) shot up more than 20% to $22.75 after the Food and Drug Administration approved for commercialization its Sensei Robotic Catheter System and Artisan Control Catheter, a platform that assists physicians during the diagnostic phase of complex cardiac arrhythmia treatment. EpiCept ( EPCT) said a midphase trial of its NP-1 cream pain medication achieved its primary endpoint in patients with a painful condition called post-herpetic neuralgia. Shares of the Tarrytown, N.Y., company were leaping 11% to $3.24. Another health name, Albany Molecular Research ( AMRI) vaulted 11.7% to $10.73 after first-quarter income totaled a dime a share vs. 6 cents a year ago. Analysts were looking for profits to flat-line with last year. Also coming in higher than anticipated were staffing-services firm Hudson Highland ( HHGP), recently leaping 12.2% to $18.99; wireless-products maker Ntelos ( NTLS), which added 9.4% to $22.21; and PGT ( PGTI), maker of impact-resistant windows and doors, lately up 13.3% to $11.90. The Russell 2000 and S&P SmallCap 600 indices were both up slightly.