** Shares of blank-check company Aurora Technology Acquisition Corp rally 128.4% premarket
** The highly volatile stock rose as much as over 1000% to $125 in early session before easing to $24.0
** ATAK had a market cap of $112.04 mln as of Thursday close, and of the nearly 10.7 million shares outstanding, only 5.11 million are traded on free-float basis, as per LSEG data
** Low free-float could make the stock vulnerable to outsized moves
** Other SPACs such as Sportsmap Tech Acquisition and Brilliant Acquisition up 37% and 47%, respectively, before the bell
** BRLI and SMAP trending as #6 and #14 tickers on Stocktwits, a website popular with amateur traders
(Reporting by Sruthi Shankar in Bengaluru)
((sruthi.shankar@thomsonreuters.com;))