Momentus is trading 6.62% down at $2.57, with no company-specific announcement explaining the decline. - On October 15, the company announced an ARCSPACE payload contract for a planned 2027 mission; coverage said shares ticked up premarket after the news, not down. - Reuters reported hotter-than-expected U.S. inflation heightened rate concerns and weighed on equities, including technology stocks. That broader risk-off context does not establish a direct cause for Momentus’s decline.