Midday Gainers / Losers Dec 29 2015, 12:45 ET | Gainers: INVT +102%. CBIO +23%. FXCM +22%. SPP +19%. SKYS +12%. BORN +14%. ACUR +13%. REXI +13%. TGI +13%. EXFO +13% Losers: VKTX -19%. CAS -15%. GBSN -12%. AVXL -12%. AVGR -12%. NYNY -12%. HQCL -11%. NCTY -11%. KIQ -10%. COOL -9%