SoftBank (SFTBY) Shares Gain on 1 GW AI Data Center Campus Joint Venture in France

SoftBank Group Corp. (SFTBY) shares rose on June 1, 2026, after the Japanese technology investor announced a joint venture with French digital infrastructure firm Sesterce to develop a 1-gigawatt artificial intelligence data center campus in France. The project targets escalating demand for AI-computing capacity across Europe. Financial terms and a construction timeline were not immediately disclosed. The move deepens SoftBank’s global data center footprint and follows similar infrastructure bets in the U.S. and Asia.