美股软件股走高，IBM(IBM.N)涨5%，ServiceNow(NOW.N)涨4.8%，Salesforce(CRM.N)涨3%。

India's Nifty 50 fell 1.3%.

Spreads on US CCC-rated corporate bonds over Treasuries exceeded 1,000 bps, up from about 860 bps in early September and the widest since the 2023 regional bank crisis when investors sold high-risk credit. Such risk premia typically indicate elevated odds of default, restructuring or losses. Collin Martin, head of fixed-income research and strategy at Charles Schwab Wealth Management, said the main driver is an economy that is performing adequately but not robustly; CCC issuers are the riskiest and most sensitive to interest-rate moves.