Most active stocks from today's After-hours trading  NASDAQ listed: Genetic $GENE Boxlight $BOXL Heat Bio $HTBX $TOPS $QQQ Caesars $CZR Zynga $ZNGA Plug Power $PLUG Naked Brands $NAKD $NBRV   NYSE listed: $SPY Bank of America $BAC $EEM $IWM $GDX $WPX $PG $XLRE $ETRN $ESGA