Midday gainers / Losers

• Top 10 Gainers: SUMR +53%. CYAN +24%. AST +22%. RVP +20%. JRJC +18%. TRMR +15%. FSM +14%. CVO +14%. ICUI +14%. PTX +14%.
• Top 10 Losers: HEAR -26%. AAOI -25%. VSLR -22%. HIIQ -20%. ASCMA -18%. CALL -18%. DMD -17%. ASEI -16%. UNIS -16%. OTC:PRKR -15%.