Sensex, Nifty Slide As Surging Crude Oil And US Bond Yields Rattle Global Markets

Indian equity benchmarks opened sharply lower on Thursday and extended their losses through the morning session, tracking a broader risk-off mood across global markets as surging crude oil prices and a spike in US bond yields unsettled investors worldwide.

The BSE Sensex shed 555.85 points, or 0.74 per cent, to open at 74,272.40, against Wednesday's close of 74,828.25. The Nifty50 opened 225 points lower at 23,221.80. The selling pressure did not let up as the session progressed: by mid-morning, the Sensex had widened its losses to 686.33 points, or 0.92 per cent, trading at 74,141.92, while the Nifty50 was down 220.75 points, or roughly 0.95 per cent, at 23,225.35.

Global Cues Behind The Fall

Unlike many recent sessions where domestic triggers or stock-specific moves have driven the market's direction, Thursday's slide was almost entirely a story of global cues washing up on Dalal Street. Brent crude climbed past $102 a barrel, reviving worries about imported inflation for an economy that relies heavily on crude imports, at a time when tensions around the Strait of Hormuz and stalled US-Iran talks in New York have kept energy markets on edge through much of September.

Compounding the pressure, the yield on the US 10-year Treasury note surged to around 5.11-5.13 per cent, its highest level since 2007, as traders recalibrated expectations for how long borrowing costs in the world's largest economy will stay elevated. The move had immediate knock-on effects beyond bond markets: US 30-year fixed mortgage rates jumped to roughly 7.26 per cent, their highest since January 2025, underscoring how quickly higher yields are feeding through into real-world borrowing costs for households and businesses alike.

Higher US yields typically make dollar-denominated assets more attractive relative to emerging markets like India, encouraging foreign investors to trim riskier equity positions, while a stronger crude complex raises input costs across sectors from aviation to paints to chemicals. Both forces combined to weigh on sentiment in Mumbai on Thursday, even though there was little in the way of fresh domestic news to justify the scale of the pullback.

What It Means Going Forward

For Indian investors, Thursday's session is a reminder that even a market otherwise absorbed in a busy primary-market calendar and a steady earnings cycle remains tightly linked to what happens in global energy and bond markets. A sustained period of triple-digit oil prices and elevated US yields would likely keep Indian equities volatile in the sessions ahead, particularly for rate-sensitive sectors such as banking, real estate and auto financing. Households planning large borrowings in this environment may want to lock in terms sooner rather than later; the EMI calculator on our site can help gauge how a shift in interest rates would change monthly repayment outflows.

With no clear resolution in sight on either the geopolitical tensions driving oil prices or the inflation concerns pushing up US yields, market participants will likely keep a close watch on both fronts in the coming days for cues on whether Thursday's fall was a one-session wobble or the start of a longer bout of volatility.

This is an original summary based on public reporting. See our editorial policy for how we source, write, and correct our stories.