Midday Gainers / Losers

• Gainers: CALA +46%. TGTX +20%. HBOS +19%. ALDR +18%. FRO +18%. WLT +17%. DSCO +18%. CVTI +15%. ABCO +14%. SGMO +14%.
• Losers: MEIP -17%. VII -15%. MEI -11%. JMEI -10%. SPP -9%. SD -9%. KPTI -9%. NSPR -9%. CGG-OLD -9%.  OTC:ZAZA -9%.