SoftBank Group Corp (OTCPK: SFTBF) (OTCPK: SFTBY) hit a 24-year high of 11,190.00 Japanese yen per share. This broke the earlier intraday record high of 11,000 yen made on Feb. 15, 2000. SoftBank stock’s surge is attributable to strategic moves in AI and a strong performance by its chip-design subsidiary, Arm Holdings Plc(NASDAQ:ARM). A Boost from ArmThe British chip designer Arm, which SoftBank acquired in 2016, has played a pivotal role in this resurgence, reported CNBC. Chart created using Benzinga Pro Arm’s stock has surged nearly 124% this year, fueling SoftBank’s impressive market perfor…