PowerGrid Corp, NTPC, Tata Motors, Asian Paints, Titan, Bajaj Finserv, and Hindustan Unilever were the major gainers. On the other hand, UltraTech Cement, Sun Pharmaceuticals, Mahindra and Mahindra, Tata Consultancy Services, Adani Ports and Special Economic Zone, and Nestle India seemed to take a collective sigh, dragging their feet as the day's laggards.

Among the Sensex's top performers was Larsen and Toubro, which climbed 2.77% following news of significant new orders valued between Rs 2,500 crore to Rs 5,000 crore. UltraTech Cement also had a noteworthy day, rising 1.42% after announcing its acquisition of a 32.72% stake in India Cements for Rs 3,954 crore. Conversely, India Cements saw a decline of 0.65%.

Among the 13 indices, the Bank Nifty was the only laggard, dragged down by ICICI Bank, Federal Bank, and Axis Bank. "In the near term, banks are likely to underperform due to subdued earnings from major lenders like Axis Bank," noted an expert.

Sectoral stocks on the NSE showed a broad decline, with sectors such as Banking, Financial Services, FMCG, IT, Metal, Pharma, PSU Banks, Private Banks, Realty, Healthcare, Consumer Durables, and Oil and Gas all opening in negative territory. However, Media and Auto stocks managed to stay in the green during the initial trading hour.

The day's trading saw the 30-share Sensex plummet as much as 678.53 points, or 0.84 percent, to hit a low of 79,750.51 before clawing back some ground. By the end of the session, 19 of its components were in the red, leaving only 11 in the green.

The Nifty50 index also recorded its first loss in five days. Despite the day's decline, both indices reached new intraday record highs before closing lower.

Sensex, Nifty hit peaks,close flat on profit-takingAmong the 30 Sensex companies, Axis Bank, HDFC Bank, ICICI Bank, Kotak Mahindra Bank, IndusInd Bank, State Bank of India, Infosys, Wipro, Tech Mahindra, and HCL Technologies were the top gainers. Conversely, Titan, Maruti, Bharti Airtel, Larsen & Toubro, NTPC, Reliance Industries, Bajaj Finance, and Power Grid were the prominent losers.

Leading the gains among the 30 Sensex companies were IndusInd Bank, ICICI Bank, JSW Steel, Axis Bank, Kotak Mahindra Bank, Infosys, Tata Consultancy Services, and HDFC Bank. Conversely, Titan, NTPC, Power Grid, and Bajaj Finance were among the few laggards.

Out of the 13 sectoral indices on the National Stock Exchange (NSE), only three were trading in the red. Among the top performers on the Nifty were Wipro, Adani Enterprises, Mahindra & Mahindra (M&M), Titan Company, and Adani Ports. These stocks saw the highest gains, driving the overall market uptrend.

As exit polls predict massive win for BJP-led NDA, the 30-share BSE Sensex soared by 2,507.47 points or 3.39 per cent to settle at a new closing peak of 76,468.78, marking its biggest single-day gain in three years.

The 30-share BSE Sensex declined 667.55 points or 0.89 per cent to settle at 74,502.90. The NSE Nifty dropped 183.45 points or 0.80 per cent to 22,704.70 amid high volatility.

Among the Nifty 50, major gainers included HDFC Bank, Bharti Airtel, L&T, BPCL, and UltraTech Cement. The laggards were Adani Ports, Tech Mahindra, Mahindra & Mahindra, JSW Steel, and Titan.