▁for ▁n aked ▁short ▁s elling ▁has ▁been ▁raised ▁by ▁Senator ▁Robert ▁Ben nett ▁and ▁the ▁NAS AA , ▁and ▁discussed ▁in ▁articles ▁in ▁the ▁Wall ▁Street ▁Journal ▁and ▁Eur om oney . ▁D T CC ▁cont ends ▁that ▁the ▁su its ▁are ▁orch estr ated ▁by ▁a ▁small ▁group ▁of ▁law y ers ▁and ▁execut ives ▁to ▁make ▁money ▁and ▁draw ▁attention ▁from ▁the ▁companies ' ▁problems . ▁ ▁Crit ics ▁bl ame ▁D T CC , ▁not ing ▁that ▁it ▁is ▁the ▁organization ▁in ▁charge ▁of ▁the ▁system ▁where ▁it ▁happens , ▁alleg ing ▁that ▁D T CC ▁turns ▁a ▁blind ▁eye ▁to ▁the ▁problem , ▁and ▁compla ining ▁that ▁the ▁Sec ur ities ▁and ▁Exchange ▁Commission ▁( SE C ) ▁has ▁not ▁taken ▁sufficient ▁action ▁against ▁n aked ▁short ing . ▁D T CC ▁has ▁respond ed ▁that ▁it ▁has ▁no ▁authority ▁over ▁trad ing ▁activities , ▁cannot ▁force ▁buy - ins ▁of ▁shares ▁not ▁delivered , ▁and ▁suggests ▁that ▁n aked ▁short ing ▁is ▁simply ▁not ▁w ides p read ▁enough ▁to ▁be ▁a ▁major ▁concern . ▁ ▁" We ' re ▁not ▁saying ▁there ▁is ▁no ▁problem , ▁but ▁to ▁suggest ▁the ▁sky ▁is ▁falling ▁might ▁be ▁a ▁bit ▁over done ", ▁said ▁D T CC ' s ▁chief ▁sp okes man . ▁The ▁SE C , ▁however , ▁viewed ▁n aked ▁short ing ▁as ▁a ▁sufficiently ▁serious ▁matter ▁to ▁have ▁made ▁two ▁separate ▁efforts ▁to ▁restrict ▁the ▁practice . ▁ ▁D T CC ▁has ▁said ▁that ▁the