Stocks On The Move (ENCO,VVUS,CLZR,DPTR,HITK)

Encorium Group Inc. (NASDAQ:ENCO) is the top percentage gainer in morning trade and surged 290% to $0.82 on huge volume of 21.25 million shares after it announced the signing of approximately $8.7 million of new business contracts, including selection by a major pharmaceutical company for participation in a swine flu vaccine program.

VIVUS, Inc. (NASDAQ:VVUS) jumped up 70% to $11.75 on very unusual volume of 40.91 million shares following positive results from its two final, phase 3 pivotal 56-week studies, EQUIP (OB-302) and CONQUER (OB-303), evaluating the safety and efficacy of Qnexa, an investigational drug, in more than 3,750 patients across 93 sites.

Candela Corporation (NASDAQ:CLZR) rallied 32.45% on 4.15 million shares and now trades at $2.49 as the Company Candela entered into a definitive agreement with Syneron Medical Ltd. (NASDAQ: ELOS) to combine the companies in an all stock transaction, creating a global leader in medical aesthetic devices.

Delta Petroleum Corp. (NASDAQ:DPTR) is the surprise move as the stock is surging higher this morning despite a new 'Neutral' rating and $2.05 price target at Macquarie. The stock is currently trading at $2.84, up by 24.49% on an unusual volume of 14.43 million shares.

Hi-Tech Pharmacal Co. (NASDAQ:HITK) zoomed 24.80% to $21.54 on an impressive volume of 1.50 million shares following it reported first quarter sales rose 175% to $43.48 million and EPS rose to $0.73 from $0.13.