SoftBank Group Corp. SFTBY SFTBF shares jumped 9.98% to 17,905 JPY ($121.14) on Thursday’s Tokyo trading session, building on massive year-to-date gains of 93.90% as investors bet on the company’s role in Oracle Corp.‘s ORCL record-breaking artificial intelligence infrastructure deals.Oracle’s $455 Billion Backlog Drives Market OptimismOracle’s exceptional first-quarter results revealed a stunning $455 billion backlog in Remaining Performance Obligations (RPO), marking a 359% year-over-year increase. The su ...