Shares of Top KingWin Ltd (NASDAQ: WAI) rose sharply in pre-market trading after the company announced it entered into a sales contract with Walker Times International for the sale of 10,000 units of TK-D2C AI Robots.Top KingWin shares jumped 87.4% to $5.92 in the pre-market trading session.Here are some other stocks moving in pre-market trading.GainersMEDIROM Healthcare Technologies Inc. (NASDAQ: MRM) rose 242% to $4.96 in pre-market trading. Medirom announced plans to double installation of Authentication ...