Mumbai Stocks: Nifty 50 and Sensex Daily — 2026-09-04
Indian markets faced significant volatility this week, with the Sensex and Nifty 50 closing lower on multiple sessions due to rising crude oil prices and geopolitical tensions, before showing signs of recovery on September 3-4. Foreign Institutional Investors (FIIs) remained net sellers in cash segments while Domestic Institutional Investors (DIIs) provided support with net buying. The IPO market showed strong momentum with August listings delivering average gains of 28%, and retail subscription rates quadrupling compared to the first half of 2026.
Mumbai Stocks: Nifty 50 and Sensex Daily — 2026-09-04
Top developments
Geopolitical Tensions and Crude Oil Drive Market Volatility
On September 2, the Sensex dropped 373.93 points to settle at 76,570.35, while the Nifty 50 fell 141.35 points to 23,914.45. This decline was driven by renewed US-Iran strikes which heightened fears of disruptions to oil flows, sending crude prices towards $95 per barrel. The pressure continued into September 3, with benchmarks ending lower for a fourth consecutive session as IT and auto stocks dragged down indices, despite gains in banking and realty sectors. By September 4, markets opened with a divergence, as the Sensex rallied over 550 points to top 23,950, led by strong performances from Bajaj Finserv and TCS, indicating a potential stabilization after the earlier sell-off.

IPO Market Heats Up with Strong Retail Participation
The Indian primary market experienced a surge in activity, with IPO shares debuting with an average gain of 28% in August 2026, a fivefold jump from the first seven months of the year. Data indicates that retail investor interest has returned strongly; while the first 20 IPOs of 2026 saw an average retail subscription of just 7.5x, the next 42 issues launched from June onwards saw average retail subscription jump to 30x. Mainboard issues raised nearly Rs 55,500 crore in July and August alone, signaling a robust recovery after a slow first half.

DII Buying Supports Markets Amidst FII Outflows
Domestic Institutional Investors (DIIs) played a crucial role in cushioning market declines, recording net buying of ₹4,977.50 Cr in the cash segment on September 3, 2026. In contrast, Foreign Portfolio Investors (FPIs) were net sellers during this period, reflecting cautious global sentiment driven by elevated crude oil prices and geopolitical risks. This divergence highlights the resilience of domestic flows, which have been a consistent support pillar for Indian equities in recent weeks.
Local view
Hindi-language media outlets highlighted the sharp selling pressure on September 2, noting that auto and IT sectors saw the steepest declines due to weak global cues and soaring crude oil prices. However, by September 3, local coverage shifted to report a "spectacular comeback" or "return of luster" in the markets, with the Sensex rising up to 354 points and the Nifty crossing the 24,000 mark again. Media analysts attributed this recovery to value buying in banking shares and a slight easing in crude oil fears.
Context & numbers
- September 2 Close: Sensex at 76,570.35 (-373.93 pts); Nifty 50 at 23,914.45 (-141.35 pts).
- September 1 Close: Sensex at 76,944.28; Nifty at 24,055.80.
- IPO Performance: Average listing gain for August IPOs was 28%; retail subscription multiples rose from 7.5x (Jan-Jun) to 30x (Jun-Sep).
- DII Activity: Net buying of ₹4,977.50 Cr on September 3.
- Rupee Context: India's $127 billion NRI deposits are providing RBI with additional firepower to support the rupee, which is expected to continue its upward trajectory.
On the radar
- Upcoming IPOs: Seven companies are scheduled to open subscriptions in the first week of September, including three mainboard and four SME IPOs, aiming to raise approximately ₹1,400 crore.
- US Economic Data: Investors are watching the US non-farm payrolls report due September 4 for cues on global market direction, which could impact FII flows into India.
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