Transformers & Rectifers, Kotak Bank rise; Bajaj Auto falls after auto sales at Nifty500 market open

Transformers and Rectifiers, Kotak Mahindra Bank and HFCL were among the stocks that moved the Nifty 500 higher at market open on Thursday, October 1, while IRCON International, Bajaj Auto and Sansera Engineering slipped lower.

Top Gainers at market open

Transformers and Rectifiers (India) Ltd shares surged up to 8% at market open. The company’s shares have fallen up to 6% since the beginning of the year and more than 40% in the past year. The stock is at a 73.2% decline from its 52-week high of ₹501.20 and 29.1% away from hitting its 52-week low of ₹224.05. Over 84 lakh shares of the company are being traded on the stock market today at 9.59 times the stock’s 10-day average.

Kotak Mahindra Bank shares rose over 3% at market open after the RBI, on Thursday, approved Anup Kumar Saha as the bank’s next MD & CEO. Saha will replace outgoing MD & CEO Ashok Vaswani from January 1, 2027, for a term of three years.

The company’s shares have fallen more than 3% since the beginning of the year while rising up to 4% in the past year. The stock is at a 5.8% decline from its 52-week high of ₹453.20. Over 2 crore shares of the company are being traded on the stock market today at 1.84 times the stock’s 10-day average.

HFCL shares rose 5% at market open. The company’s shares have risen more than 242% since the beginning of the year and more than 221% in the past year. The stock is at an about 8.9% decline from its 52-week high of ₹256.70. Over 89 lakh shares of the company are being traded on the stock market today at 1.80 times the stock’s 10-day average.

Top losers at market open

Bajaj Auto shares fell up to 8% at market open because of weaker domestic sales despite the company reporting total sales rising 5% YoY to 5.38 lakh units in September 2026, from 5.11 lakh units a year earlier.

IRCON International shares fell over 6% at market open. The stock had surged over 14% in Thursday’s trading session. The company’s shares have fallen more than 37% since the beginning of the year and more than 35% in the past year. The stock is 10.2% away from hitting its 52-week low of ₹101.60. Over 79 lakh shares of the company are being traded on the stock market today at 0.83 times the stock’s 10-day average.

Exports jumped 32% YoY to 2.44 lakh units from 1.85 lakh units, while domestic sales fell 9% to 2.94 lakh units from 3.25 lakh units.

The company’s shares have risen more than 8% since the beginning of the year and more than 20% in the past year. The stock is at a 20.3% decline from its 52-week high of ₹12,470 and 22% away from hitting its 52-week low of ₹8,491.50. Over 1 lakh shares of the company are being traded on the stock market today at 0.85 times the stock’s 10-day average.

Sansera Engineering shares fell over 4% at market open. The company’s shares have risen almost 147% since the beginning of the year and almost 211% in the past year. The stock is at a 8.5% decline from its 52-week high of ₹4,743.50. Over 77 thousand shares of the company are being traded on the stock market today at 0.18 times the stock’s 10-day average.

Also Read: Stocks to Watch for October 1: Insurance stocks, IRFC, NCC, Infosys and more