SoftBank Group stock surged nearly 13% on Tuesday, hitting a record intraday high of 8,000 yen and emerging as the best performer on the Nikkei 225. The move extended the stock's winning run to a fourth straight session, turning Masayoshi Son's technology investment group into one of the clearest market winners from the latest wave of AI enthusiasm.
SoftBank's latest rally was sudden, sharp and driven by renewed excitement around artificial intelligence. The Japanese investment group added roughly $35 billion in market value on Thursday after a near-20% surge, then extended gains on Friday as investors chased exposure to Nvidia, Arm and the prospect of an OpenAI listing.
Shares of SoftBank Group extended gains for a second straight session Friday. The rally tracks a sharp rise in Arm Holdings shares overnight in the U.S.
SoftBank stock staged one of its sharpest rallies in years on Thursday, jumping 20% in Tokyo and adding about $35 billion in market value after Nvidia's results showed once again how strongly AI is driving global markets. The trigger came from California, where Nvidia reported a record quarter that beat already elevated expectations.
SoftBank Group is closely tied to the AI boom through its stake in Arm Holdings, whose chip designs are used in AI servers and data centers powered by Nvidia systems.
Power infrastructure firm SB Energy has confidentially filed for an initial public offering in the United States, it said on Wednesday, seeking to tap buoyant investor demand for new listings.
SoftBank Corp. (SOBKY) Q4 2026 Earnings Call Transcript
Japanese conglomerate SoftBank's quarterly profits jumped nearly threefold thanks to its stake in OpenAI. The company released earnings Wednesday (May 13) showing its net profit more than tripled to 1.83 trillion yen, or $11.6 billion.
Japanese technology investor SoftBank Group posted a sharp rise in quarterly profit on Wednesday as surging gains from its investment in OpenAI boosted the performance of its Vision Fund business. The company reported a net profit of 1.9 trillion yen ($12.05 billion) for the January-March quarter, compared with a profit of 517 billion yen in the same period a year earlier.
The Japanese technology investment company has issued debt, sold stakes in companies, and borrowed against its stake in Arm Holdings and other assets to fund bold AI investments.
SoftBank posts $46 billion gain at Vision Fund driven mainly by massive OpenAI bet
SoftBank has funnelled $457 million into AI chip company Graphcore, which it acquired in 2024, Graphcore confirmed to CNBC. The acquisition was part of the Japanese giant's big play in AI infrastructure and hardware.