** Shares of ASP Isotopes ASPI.O drop 18.5% to $6.3,
hitting a four-week low
** Short-seller Fuzzy Panda says it is short on the advanced
materials firm; adds in a post on social media platform X that
ASPI has the "makings of the next nuclear meltdown"
** Short-seller alleges ASPI uses 'failed tech from 20 years
ago and indulges in paid stock promotion'
** ASPI did not immediately respond to a Reuters request for
comment
** Including session's losses, ASPI up more than 250% YTD
(Reporting by Shashwat Chauhan in Bengaluru)
((Shashwat.Chauhan@thomsonreuters.com))