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3 min read | Updated on March 18, 2026, 16:42 IST
SUMMARY
The SENSEX surged by 633.29 points or 0.83% to close at 76,704.13, while the 50-share NIFTY ended higher by 196.65 points or 0.83% to 23,777.80 on March 18.

The NIFTY Smallcap 100 closed at 16,179.15, reflecting a 266.25 points or 1.67% increase on March 18. | Image: Shutterstock
On Tuesday, the foreign institutional investors (FIIs) sold stocks worth ₹4,741.22 crore, while the domestic institutional investors (DIIs) purchased equities worth ₹5,225.32 crore on a net basis, according to exchange data.
The SENSEX gained as many as 929.38points to an intraday high of 77,000.22. Meanwhile, the NIFTY50 touched the session’s peak of 23,862.25.
The SENSEX surged by 633.29 points or 0.83% to close at 76,704.13, while the 50-share NIFTY ended higher by 196.65 points or 0.83% to 23,777.80.
The 50-share NIFTY index was bolstered by gains in the stock of Jio Financial Services, which closed 4.59% higher.
It was followed by Eternal (3.46%), Tech Mahindra (3.06%), HCL Technologies (2.79%) and Infosys (2.74%), which were among the top gainers on March 18.
Shares of Tech Mahindra, HCL Tech, and Infosys surged amid buying in NIFTY IT stocks, after the global capital markets firm CLSA’s report dismissed the artificial intelligence (AI) technology threat to Indian companies.
In the report, CLSA clarified that they did not find any evidence that the latest AI tools launched by global giants like Anthropic and OpenAI are set to affect client renewals among the Indian IT sector companies, reported the news portal CNBC-TV18.
On the other hand, the top losers were Cipla (-1.19%), Hindustan Unilever (-1.10%), Coal India (-1.09%), NTPC (-0.94%) and Sun Pharmaceutical Industries (-0.72%).
NSE’s midcap gauge, the NIFTY Midcap 100, rose 2.02% or 1,115.45 points to 56,289.85 on Wednesday.
The index was supported by Waaree Energies, which closed 10.23% higher. It was followed by Premier Energies (7.25%), ITC Hotels (5.78%), KPIT Technologies (5.23%) and Coforge (5.13%), which were among the top winners.
On the flipside, shares of National Aluminium Company slumped 1.95%. The top laggards included Aurobindo Pharma (-1.40%), Oil India (-1.04%), Coromandel International (-0.39%), and Adani Total Gas (-0.36%).
The NIFTY Smallcap 100 closed at 16,179.15, reflecting a 266.25 points or 1.67% increase on March 18.
It was held up by buying in JBM Auto (19.99%), Trident (10.61%), Aditya Birla Real Estate (9.10%), Angel One (8.86%), and NBCC (6.22%).
On the contrary, Mangalore Refinery and Petrochemicals (-4.77%), Multi-Commodity Exchange (-2.32%), Cholamandalam Financial Holdings (-2.10%), Aegis Logistics (-1.76%) and Aster DM Healthcare (-1.58%) were among the top losers.
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