Top gainers and losers, May 18: TechM soars 5%, Infosys, Bharti Airtel up 2%, Tata Steel down 3%; check full list

The SENSEX slumped as much as 1.4% to touch an intraday low of 74,180.26 during the opening bell. Meanwhile, the NIFTY50 reached the session’s low of 23,317.10.

On May 18, the SENSEX closed 77.05 points, or 0.10%, higher at 75,315.04. Meanwhile, the NIFTY50 gained 6.45 points, or 0.03%, to end at 23,649.95.

NIFTY50 top gainers and losers

The NIFTY50 pack was led by buying in the shares of Tech Mahindra, which closed 4.85% higher, amid a surge in the NIFTY IT index.

It was followed by Infosys (2.38%), Bharti Airtel (1.66%), Sun Pharmaceutical Industries (1.37%) and Wipro (1.31%), which were among the other top gainers.

Telecom giant Bharti Airtel shares rose, as its market capitalisation (m-cap) surged to hit ₹11.90 lakh crore at the stock’s intraday high level during the trading session on Monday, May 18, fuelling the company to become the second-largest listed stock in the Indian market.

On the contrary, Tata Steel closed in the red (-3.15%). The other top losers included Power Grid Corporation of India (-2.93%), NTPC (-2.62%), State Bank of India (-2.53%) and Bajaj Auto (-1.83%).

The stock of Power Grid tumbled after reporting a weak operational performance as its earnings before interest, taxes, depreciation, and amortization (EBITDA), also known as operating profit, declined 19% to ₹7,501 crore and its EBITDA margin contracted by 8.7 percentage points in Q4 FY26.

NIFTY Midcap 100 top gainers and losers

NSE’s midcap index, the NIFTY Midcap 100 gauge, closed flat with a negative bias at 60,473.80, reflecting a 93.35 points or 0.15% decline.

The top laggards included Cochin Shipyard (-4.92%), Godfrey Phillips India (-4.57%), LG Electronics India (-3.48%), Container Corporation of India (-3.24%) and Bank of India (-2.68%).

On the other hand, Persistent Systems (5.48%), Coforge (5.15%), Oracle Financial Services Software (4.88%), PB Fintech (3.60%), and MphasiS (3.45%) were among the top winners.

NIFTY Smallcap 100 top gainers and losers

NSE’s smallcap index, NIFTY Smallcap 100, ended at the 17,656.75 level during market closing, down by 225.85 points or 1.26%.

Amber Enterprises (-15.39%) fell as investors turned cautious after the firm’s fourth-quarter results, followed by an earnings call. The household appliances firm reported a consolidated net profit of ₹134 crore in the fourth quarter of the fiscal year (Q4 FY26), marking a growth of 16% from ₹116 crore in the same period last year.

It was followed by KEC International (-10.68%), Himadri Speciality Chemical (-7.53%), PG Electroplast (-5.67%) and Kaynes Technology India (-5.19%), which were among the other top losers.

On the contrary, shares of Gland Pharma, which ended 15.24% higher, hit their 52-week high during the trading session, after reporting 96.56% increase in its consolidated profit after tax to ₹366.67 crore in the latest March quarter, compared to ₹186.54 crore in the year-ago period.

The other gainers were the Great Eastern Shipping Company (9.66%), Sai Life Sciences (3.40%), Syngene International (3.07%), and Dr. Lal Path Labs (2.69%).