BUZZ-Agenus Inc: Partner GSK's shingles vaccine meets goal
** Biotechnology company's shares up 12 pct at $3.75 premarket
** Says shingles vaccine developed by partner GlaxoSmithKline Plc (Other OTC: GLAXF - news) met main goal in a late-stage study
** The vaccine, HZ/su, combines protein found on virus that causes shingles with a component from Agenus (NasdaqCM: AGEN - news)
** Agenus to get royalties on potential commercial sales of HZ/su
** Up to Wednesday's close, stock had risen 8 pct this year