
Four companies made their stock market debuts on Friday, October 23, 2026, with wildly varying listing performances across the NSE and BSE.
Tonbo Imaging India emerged as the top performer, listing at a 66% premium over its IPO issue price of ₹700.
Sahajanand Medical Technologies opened at an 8% premium, Zetwerk Manufacturing Business gained about 5%, and Bonfiglioli Transmissions had a flat debut.