12/21/15 watchlist:$CAI, $BIOD, $MEIP, $AFMD, $AREX, $CENX, $CHK, $PETX, $TLN, $ARNA, $VOXX, $CKP, $DDC, $CBK, $EGO, $IRDM, $ERA, $EVRI, $SSE, $SPPI, $GERN, $HZN, $IMN, $GUID, $IMMU, $INO, $CHK, $NVIV, $MDXG, $TNGO, $PPP, $OFG, $GLBL, $RGLS, $SGMO, $UMC, $TUES, $FIVN, $ZNGA, $ADAT, $CATB, $RXDX, $MRNS