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Business & Stocks Google News Business • Oct 21, 2026

Stock Market Crash Today: Key Factors Behind Sensex and Nifty Sell-Off on October 21

💡 Key Takeaways

•Indian benchmark indices extended losses for the second consecutive session on October 21.
•BSE Sensex closed 143 points lower, heavily weighed down by banking and financial equities.
•Bajaj Finance and BSE shares dropped ~3%, while Infosys and HCLTech gained up to 3%.

NEW DELHI [NCRBuzz Wire] — ### The Verified Facts

**Indian benchmark indices extended losses for the second consecutive session on October 21, driven by sharp selling pressure in banking and financial equities.** The BSE Sensex settled 143 points lower as early intraday gains evaporated, while broader market segments experienced heightened volatility amid rising crude oil prices.

**Market breadth highlighted a stark divergence across sectors, with financial services leading the decline while IT counters provided partial cushioning.** Top index losers included Bajaj Finance and BSE shares, both dropping by approximately 3%. Conversely, major technology counters such as Infosys and HCLTech countered the broader downtrend by advancing up to 3% during the trading session.

### Background Context

**The October 21 sell-off reflects ongoing profit-booking and institutional capital reallocation away from interest-sensitive sectors.** Persistent macroeconomic headwinds, including fluctuating global crude oil prices and foreign portfolio investor (FPI) outflows, continue to dictate domestic equity movements and test key technical support levels on both the Sensex and Nifty.

### What Lies Ahead

**Market participants will closely monitor upcoming corporate earnings announcements, foreign institutional investor flow data, and global commodity price trajectories for near-term directional cues.** Analysts advise tracking sectoral indices closely as volatility remains elevated across banking and financial counters.

| Metric / Aspect | Details |

|---|---|

| Benchmark Index Movement | BSE Sensex closed 143 points lower |

| Market Trend Duration | Extended losses for the second consecutive session |

| Top Decliners | Bajaj Finance, BSE shares (dropped ~3%) |

| Top Gainers | Infosys, HCLTech (gained ~3%) |

| Primary Sectoral Drag | Banking and financial stocks |

NCRBuzz Wire Desk ✓ Verified Wire

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🏛️ Background Context

Historical market data indicates that domestic equities frequently experience consolidation phases when weighted banking sectors encounter profit-booking alongside volatile global crude oil trends and shifting FPI capital flows.

💡 Citizen & Commuter Quick Explainer (FAQ)

Q1: What caused the stock market drop on October 21?

The market drop was triggered by sustained selling pressure in banking and financial stocks, alongside rising crude oil prices.

Q2: How many points did the BSE Sensex decline?

The BSE Sensex closed 143 points lower, extending its losses to the second consecutive session.

Q3: Which sectors or stocks gained during the sell-off?

Selective IT stocks such as Infosys and HCLTech bucked the trend, gaining up to 3% during the session.

Verified Wires: Google News Business, TradingView, The Hindu, Telegraph India, NDTV, Upstox, Livemint Markets & Economy, Economic Times Markets Original Wire Dispatch ↗

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