SoftBank Group shares climbed sharply in today's trading session, rising by +11.7% to a session high of a5 5,840. The move followed a strong overnight performance in Arm Holdings and upbeat results from SoftBank Corp., the group's domestic telecom business.
Arm, in which SoftBank holds a controlling stake, posted a gain of more than 17% in U.S. markets. That advance came alongside a wider bounce in chipmaking stocks after losses in July. Arm last week released June-quarter results that were described as mostly robust, and the stock's rebound in U.S. trading fed through to SoftBank Group's valuation.
At the same time, SoftBank Corp. reported April-June revenue of 1.81 trillion yen, an increase of 9.4% from the same period a year earlier and its highest first-quarter revenue on record. Management cited a strong contribution from cloud and AI, with those sales expanding 31% year-over-year. The company also provided guidance that implies roughly a 30% compound annual growth rate for its AI and cloud operations, a projection that investors treated as a positive signal for the parent group's operational momentum.
Market context was supportive of the moves. Japan's Nikkei 225 rose by about 3.3% during the session, helped by an overnight rally on Wall Street. The simultaneous strength in Arm and the strong quarterly showing from the domestic telecom arm combined to lift sentiment around SoftBank Group's mix of operational businesses and its investment holdings.
Investors appeared to respond to the dual drivers of an investment-led uplift from Arm's U.S. performance and clearer operational progress at SoftBank Corp., reinforcing the narrative that the group's subsidiaries are generating tangible growth alongside the broader portfolio performance.
Context note: The move in SoftBank Group shares in this session was driven by the factors outlined above. The article reflects the reported figures and market movements for the period referenced.