Midday top 10 gainers: CRDN +43%. FONR +34%. BIOF +19%. VSR +17%. MTG +16%. SNTA +16%. VSNT +15%. PATK +14%. MGI +12%. SFUN +12%. Top 10 Losers: NC -65%. TYC -49%. GMAN -24%. BYFC -17%. THLD -17%. PPHM -16%. GNI -11%. OCZ -10%. ROSG -10%. CYTX -8%.