** Shares of quantum computing firm Q/C Technologies QCLS.O gain 15.3% to $7.9 premarket after doubling in the last two sessions
** Retail traders bought more than $2.6 mln worth of QCLS stock in the last two sessions, according to data from Vanda Research
** QCLS is the #8 most trending stock on retail investor forum Stocktwits as of Friday
** On Wednesday, convicted former pharmaceutical executive Martin Shkreli said in a post on X.com that he has bought shares in the company
** Co changed its name from TNF Pharmaceuticals and ticker TNFA to QCLS in late September
** As of last close, QLCS shares are down 94% YTD with a market cap of $28.8 mln, according to data compiled by LSEG
(Reporting by Shashwat Chauhan in Bengaluru)
((Shashwat.Chauhan@thomsonreuters.com))