Meta has hired MongoDB chief executive Chirantan “CJ” Desai to lead sales for its enterprise AI platform, tasked with taking products such as Muse and other AI tools to business customers. Desai has spent about 11 months as MongoDB’s president and CEO, according to Business Insider. After the announcement, MongoDB shares fell as much as 27% intraday on Monday to a nearly two-month low. Meta shares climbed 11% last week as investors bet on its AI agent business.

Anthropic has released Claude Sonnet 5.5, keeping pricing in line with the prior generation and positioning it as a faster, lower-cost complement to Claude Opus 5.5. The company said enterprise customers account for about 80% of its business, with clients including Salesforce and Databricks. Anthropic is also moving ahead with plans for an IPO.

Indian equities extended their slide, with the Nifty and Sensex closing at their lowest levels since March. Foreign institutional investors recorded a net sale of Rs 5,353.22 crore in a single session, the biggest outflow in September, while domestic institutional investors offset it with net buying of Rs 5,189.02 crore. Brent crude jumped to around $108 a barrel and India’s 10-year government bond yield rose to 7.12%, weighing on PSU banks and stoking concerns that inflation risks could push the RBI toward a rate hike at its October policy meeting.

Saudi Arabia has resumed crude exports through its EastWest pipeline after completing repairs. Brent crude rose 1.3% to $105.61 a barrel, while WTI futures gained 3.9% to $96.03 a barrel. European benchmark gas fell 2.3% to 71.53 euros a megawatthour, while copper futures slipped 1.3% and gold futures dropped 3.6%.

U.S. President Donald Trump said Washington is prepared to ease sanctions on Iran and unfreeze assets if Tehran agrees to U.S. nuclear demands. Following the comments, international oil prices fell 4% within 30 minutes. The move reflected market expectations that Iranian crude supply could increase.

Meta has recruited MongoDB chief executive Chirantan “CJ” Desai to spearhead its enterprise AI business, stoking concerns about leadership stability at MongoDB. MongoDB shares tumbled as much as 27% intraday on Monday, hitting a nearly two-month low.

Kodiak Sciences said its wet age-related macular degeneration drug candidate Zenkuda met its clinical trial goals, clearing the way for a regulatory submission. The company said it plans to file the treatment for approval. The update sent Kodiak’s shares up 183% in a single session. Zenkuda is positioned to compete directly with Regeneron’s blockbuster Eylea, drawing heightened investor attention.

Major US stock indexes moved sharply lower intraday, with the Nasdaq Composite down 1.2%, the Dow Jones Industrial Average off more than 350 points and the S&P 500 down 0.9%. Brent crude rose more than 2% to $106.79 a barrel and WTI hovered around $94.40, adding to inflation worries. The benchmark 10-year Treasury yield broke above 5.2% and the 30-year yield rose above 5.5%, both at multiyear highs. Big tech stocks were under pressure, with AMD down about 3% and Micron, Microsoft and Meta also falling.