In the morning session of 21 May 2026, the Indian stock market displayed a positive trend with the Sensex marginally up by 0.02% at 75,335.74 and the Nifty 50 advancing 0.14% to 23,691.30. Among the top gainers, Honeywell Automation India, Polyplex Corporation, and Adani Total Gas stood out with significant upward movements.

Top performers today

Honeywell Automation India emerged as the leading gainer, with its stock price rising by 10.04% from its opening level, reaching ₹33,210. The stock recorded a high of ₹33,630 and a low of ₹31,385 during the session. Polyplex Corporation followed closely, appreciating by 8.52% to a current price of ₹964.30, with a session high of ₹974.90. Adani Total Gas also posted a strong performance, climbing 6.83% to ₹652.30, after opening at ₹616.00.

Brainbees Solutions, operating under the brand FirstCry, saw its shares increase by 6.31%, reaching ₹234.82. The stock’s high for the session was ₹237.70. IRB Infrastructure Developers also made notable gains, with its stock price rising 5.77% to ₹22.35.

Sectoral patterns

In the infrastructure sector, Triveni Turbine and PNC Infratech showed positive movements. Triveni Turbine’s stock rose by 5.73% to ₹694.15, while PNC Infratech increased by 5.68% to ₹220.95. In the technology sector, Tata Communications and Techno Electric & Engineering Company saw gains of 5.14% and 4.72%, respectively. Angel One, from the financial services sector, also advanced by 4.63% to ₹340.05.

Stock Open High Low Current Change %
Honeywell 31,500.00 33,630.00 31,385.00 33,210.00 +10.04%
Polyplex 892.80 974.90 892.80 964.30 +8.52%
Adani Total Gas 616.00 654.70 614.30 652.30 +6.83%
FirstCry 222.93 237.70 220.55 234.82 +6.31%
IRB 21.15 22.40 21.13 22.35 +5.77%
Triveni Turbine 657.25 707.90 657.00 694.15 +5.73%
PNC Infratech 211.00 224.70 211.00 220.95 +5.68%
Tata Communications 1,785.00 1,868.90 1,771.10 1,866.90 +5.14%
Techno Electric 1,207.50 1,292.30 1,207.50 1,259.50 +4.72%
Angel One 327.80 342.30 327.00 340.05 +4.63%

What this means for the market

The positive movements in key stocks such as Honeywell, Polyplex, and Adani Total Gas suggest a favourable sentiment in the market. Investors will be keenly observing the remaining session to see if this upward trend continues, particularly in the infrastructure and technology sectors, which have shown promising gains today.

Data as on May 21, 2026, 11:30 AM IST.

Disclaimer: This article is generated for informational purposes only and does not constitute financial, investment, or trading advice. The data and analysis presented are based on publicly available market information at the time of writing. Markets are subject to risk. Please consult a qualified financial advisor before making any investment or trading decisions. Business Upturn does not accept responsibility for any losses arising from reliance on this content.