Arm Holdings’ AI-Powered Rally: Stock Surges Amid SoftBank’s Big Bet and Tech Partnerships
Arm’s share price has been on a rollercoaster. As of Oct 13, 2025, ARM closed around $154.8 Reuters. The stock jumped earlier in October: on Oct 9 it rallied ~5% and on Oct 10 another ~3.7% Intelligentinvestor, fueled by news of new product deals. However, it then fell ~9% on Oct 11 Intelligentinvestor as some investors took profits. Overall, ARM is up roughly 23% in 2025 Reuters, recovering from a swoon in mid-2024. Notably, Arm’s public float is very small: SoftBank’s 90% stake means only ~10% of shares trade, so any news can cause outsized moves ts2.tech. For example, after Qualcomm’s Oct 1 announcement, ARM stock jumped ~5% intraday Reuters.