Indian equity markets ended flat on December 18, 2025, with NIFTY 50 settling at 25,815.55, a marginal decline of 3.00 points or 0.01%. The index traded in a narrow range throughout the session, reflecting mixed trends across sectors. InterGlobe Aviation (IndiGo),
Tata Consultancy Services (TCS), and Max Healthcare were among the top gainers, while Sun Pharmaceutical, Tata Steel, and Power Grid Corporation featured in the top losers. Overall, market sentiment remained cautious, with selective buying in IT and aviation stocks offset by declines in healthcare and metal counters.
NIFTY 50 hovered near the previous close for most of the day, indicating subdued investor activity. Gains in IT and aviation stocks provided some support to the index, while selling in healthcare and metal sectors capped any significant upside. InterGlobe Aviation led the gainers with a 2.9% rise, followed by TCS and Max Healthcare, which gained 1.97% and 1.64%, respectively.
Tech Mahindra and Infosys also recorded notable gains, supporting the technology sector. On the downside, Sun Pharmaceutical fell 2.62%, making it the biggest loser of the day.
| Company | Open | High | Low | Prev. Close | LTP | %chng |
| InterGlobe Aviation (IndiGo) | 4,977.00 | 5,140.00 | 4,957.00 | 4,980.50 | 5,125.00 | 2.90 |
| Tata Consultancy Services | 3,228.00 | 3,287.80 | 3,221.00 | 3,217.80 | 3,281.20 | 1.97 |
| Max Healthcare | 1,030.00 | 1,060.90 | 1,026.00 | 1,031.10 | 1,048.00 | 1.64 |
| Tech Mahindra | 1,581.00 | 1,608.80 | 1,574.60 | 1,579.40 | 1,605.00 | 1.62 |
| Infosys | 1,610.50 | 1,630.00 | 1,606.70 | 1,602.00 | 1,627.10 | 1.57 |
| Company | Open | High | Low | Prev. Close | LTP | %chng |
| Sun Pharmaceutical | 1,785.00 | 1,785.00 | 1,736.00 | 1,792.90 | 1,746.00 | -2.62 |
| Tata Steel | 169.92 | 170.45 | 167.56 | 170.34 | 167.95 | -1.40 |
| Power Grid Corporation | 260.75 | 261.70 | 255.80 | 261.10 | 257.90 | -1.23 |
| Asian Paints | 2,780.00 | 2,793.80 | 2,755.30 | 2,785.70 | 2,758.40 | -0.98 |
| Tata Consumer Products | 1,176.90 | 1,183.60 | 1,168.00 | 1,179.80 | 1,169.00 | -0.92 |
Sectoral indices showed mixed trends, with IT and aviation stocks recording gains, while healthcare and metal counters faced selling pressure. The IT index gained on the back of strong buying in TCS, Infosys, and Tech Mahindra, which supported overall sentiment.
Aviation stocks also contributed positively, led by InterGlobe Aviation’s 2.9% rise. On the other hand, healthcare stocks dragged the market lower, with Sun Pharmaceutical and Max Healthcare witnessing contrasting moves.
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NIFTY 50 closed almost flat on December 18, 2025, as gains in IT and aviation sectors offset losses in healthcare and metal stocks. InterGlobe Aviation and TCS led the rally, while Sun Pharmaceutical and Tata Steel were among the top losers.
The market witnessed selective buying in technology and aviation counters, while profit booking in healthcare capped overall gains. Trading activity remained steady, with volumes concentrated in large-cap stocks.
Disclaimer: This blog has been written exclusively for educational purposes. The securities mentioned are only examples and not recommendations. This does not constitute a personal recommendation/investment advice. It does not aim to influence any individual or entity to make investment decisions. Recipients should conduct their own research and assessments to form an independent opinion about investment decisions.
Investments in the securities market are subject to market risks, read all the related documents carefully before investing.
Published on: Dec 18, 2025, 4:02 PM IST
Akshay Shivalkar
Akshay Shivalkar is a financial content specialist who strategises and creates SEO-optimised content on the stock market, mutual funds, and other investment products. With experience in fintech and mutual funds, he simplifies complex financial concepts to help investors make informed decisions through his writing.
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