Medirom Healthcare Technologies (MRM) stock was up more than three-fold pre-bell Friday after the company said late Thursday it plans to expand the installation of its Orb authentication device in Japan.
Top KingWin (WAI) shares were 81% higher, a day after the company said in a Form 6-K filing with the US Securities and Exchange Commission that it has entered into a sales contract with Walker Times International for 10,000 units of TK-D2C artificial intelligence robots for $4.8 million.
Diginex (DGNX) stock was up 13%, rebounding from Thursday's losses.
Amplify Energy (AMPY) shares were 13% higher, extending gains from the previous session.