Braiin (BRAI) shares tumbled 42% to $25.80 in Friday trading during their second session on the Nasdaq Global Market.
In Thursday's debut, the stock closed at $44.53 after surging as high as $98.99 following the opening at $35.21, which marked the session's low.
The Australian AI company made its market debut through a direct listing.
Price: 25.80, Change: -18.73, Percent Change: -42.06