Why Is Indian Stock Market Down Today? Sensex Falls Over 750 Points, Nifty Below 23,800 As Iran War Sends Oil Prices Higher

Sensex and Nifty fell sharply on September 2 as escalating US-Iran tensions, crude oil prices above $95 and rising global bond yields triggered broad-based selling across Indian equities.

By: Nisha Srivastava
Last Updated: September 2, 2026 10:40:04 IST

India Stock Market Today (September 2, 2026): The Indian stock market started the day on a bearish note on Wednesday, September 2, amid rising tensions between the US and Iran, which sent the stock markets across the globe into a risk-off mode and increased crude oil prices. The increase in crude oil prices has created worries regarding the inflation rate, import costs of India and interest rate movements. The Nifty 50 index is currently trading lower by 0.89% to 23,841.40, whereas the BSE Sensex is down by 0.79% to 76,333.20. The Nifty Midcap and small-cap indices are trading lower by 1.1% and 0.8%, respectively. All 16 sectors are lower in the market, as per Reuters.

Why Is the Indian Stock Market Down Today? BSE Sensex & NSE Nifty 50 Fall Sharply 

The most crucial reason for the fall in the market on Wednesday lies in the renewed tensions between the US and Iran. The US has engaged in new attacks against Iran, which was answered by another attack from the latter side. The increase in tensions has led to increased worries about the future of energy supply and the passage of ships through the strategically significant Strait of Hormuz. This has also led to a global sell-off, where the MSCI Asia-Pacific index declined 1.5% while the Japanese Nikkei 225 fell 2.6%.

Indian Stock Market Today: Key Market Drivers Responsible For Sensex And Nifty 50 Decline 

Crude Oil Prices Surge Above $95

A rise in the price of crude oil is yet another significant element that has kept Indian shares in the negative. The price of Brent crude reached about $95.40 per barrel after hitting a level close to its highest in nearly six weeks during earlier trading. Data from the market indicates that the price of Brent touched $96 for a brief period, while the US West Texas Intermediate crude stood at $91.

An upsurge in the price of crude oil has a particular importance for India, owing to the country’s dependency on foreign crude. A continued upsurge in the cost of energy may lead to an increase in India’s import cost, a decline in the value of rupee, and inflation. High crude oil prices might result in increased costs of production for various industries like airlines, tyre producers, paint makers, logistics firms, among others.

US-Iran War Raises Strait Of Hormuz Concerns

However, the Strait of Hormuz still remains at the heart of investor worries. The strait is a vital artery through which the world’s oil moves, and any extended military disruption in the region can disrupt the supply of energy sources and international business.

Consequently, the recent US military attacks on Iran and the latter’s response have raised the level of fears about the possible expansion of the conflict and the uncertainty regarding oil supply. According to Reuters, the renewed threat of disruption in the area of Hormuz was one of the main factors of the rising oil prices and stock sell-off in Asia. The problem with Indian investors is not the geopolitical uncertainty but the duration of high oil prices.

Inflation And Interest Rate Fears Weigh On Equities

The surge in crude oil has raised fears of sticky inflation in the major economies. Increased cost of energy can limit the ability of central banks to lower their policy rates. In the US, market expectations of an increase in Federal Reserve policy rates have been heightened. As per Reuters, there is a 68% chance of a hike in interest rates by the US in September as opposed to 40% in the previous week.

US Treasury yields have also risen. 10-year US Treasury yields have hit around 4.81%, their highest since November 2023, as per Reuters. An increase in US bond yields makes investments in emerging markets such as Indian equities comparatively less appealing. When US bonds become more profitable, investors tend to allocate capital into US dollar-linked instruments.

Indian Stock Market Today: Why Are Indian Stocks More Vulnerable To Higher Oil Prices?

India is highly susceptible to movements in the prices of crude oil owing to the fact that it depends on imports for much of its oil needs. When the prices of oil go up globally, India’s cost of importing increases. And in case this trend continues, it may lead to some problems for the current account and inflation apart from putting pressure on the rupee. The higher costs may find their way into the operational costs of companies. This explains why the aviation industry and tyre manufacturing, paints and others industries which depend on oil-based products are under selling pressure whenever there is an increase in the price of crude oil. Reuters reported a decline in many oil-sensitive stocks on Wednesday, which included BPCL, HPCL, Indian Oil, MRF, JK Tyre, CEAT, Asian Paints and IndiGo.

Stock Market Today: Which Sectors Are Falling Today?

This weakness was not confined to any particular sector but extended widely. Reuters reported that all 16 key sectors were moving down at the opening of trading on Wednesday. The mid and small cap stocks also came under downward pressure, indicating that investors were hedging their bets on a wider scale. The oil-sensitive stocks registered losses in the wake of concerns regarding increased expenses on fuel and raw materials. However, there were certain stocks which recorded gains despite the general downtrend in the stock market. Coal India rose 3.6% amid its 5.5% gain in the coal supply during August and IPO of its Mahanadi Coalfields subsidiary. The stock of Sun Pharma gained 0.5% due to MFN pricing agreement with the US.

Indian Stock Market Today: Global Markets Also Signal Weakness

The Indian market is also looking towards the sell-off in the global context. Shares in Asia have fallen heavily on Wednesday as the investors reacted to high oil prices, bond yields and increased tension in the Middle East region. The MSCI Asia Pacific index excluding Japan fell 1.5%, while Nikkei in Japan and KOSPI of South Korea experienced major falls. American stocks were trading in the red too. The S&P 500 Index lost 0.7% in value, while the Nasdaq was down 1% due to the increased bond yield. A combination of political uncertainty, high-priced oil, and bond yields has made it difficult for risky assets.

Indian Stock Market Today: What About The Indian Rupee?

The rupee has so far shown some resilience despite the latest pressure from higher oil prices. The Indian currency closed at ₹94.95 per US dollar on September 1, marking a two-month high, helped by Reserve Bank of India intervention and dollar inflows from foreign banks. However, Reuters noted that rising crude prices and higher global bond yields could limit further gains. A sustained rise in crude could eventually put greater pressure on the rupee because India needs more dollars to pay for imported energy.

Indian Stock Market Today: Will Sensex And Nifty Remain Under Pressure?

The near-term market outlook will largely depend on developments in the US-Iran conflict and the direction of crude oil prices. If tensions escalate further and oil prices remain above $95-$100 a barrel, investors could remain cautious because of the potential impact on inflation, corporate costs and interest rates.

On the other hand, any signs of de-escalation or improvement in the Strait of Hormuz situation could ease crude prices and provide some relief to equities. For now, investors are closely watching crude oil, US Treasury yields, the rupee, foreign fund flows and developments in the US-Iran conflict.

Stock Market Today: What Investors Should Know

This downturn is being fueled mostly by exogenous factors, rather than just a single economic factor within the domestic economy. The new round of US-Iran spat has pushed up oil prices, and rising yields on bonds have created more stress for international equities.

For India, the major risk is the long period of high prices for crude oil. High energy prices could create more pressure on inflation, raise the cost of imports, and even impact the profit margins of companies. Investors need to keep an eye on oil prices and geopolitical events during today’s trade session. The markets will remain volatile until we see some clarification on the extent and the duration of this new round of US-Iran conflict.

Disclaimer: This article is for informational purposes only and does not constitute financial or investment advice. Readers are advised to consult a qualified financial adviser before making any investment decisions.

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