Tata stocks remained under pressure on September 18, 2026, amid heightened attention around the Tata Sons leadership dispute involving N Chandrasekaran and Noel Tata. Tata Chemicals, TCS, Tata Investment Corporation and Tata Technologies were among the stocks trading lower, while Tata Capital bucked the trend. Here’s a closer look at the latest Tata share price movements, Tata Sons developments and the factors investors are watching.
Tata Sons has approved N Chandrasekaran's reappointment as executive chairman for another five years, but Noel Tata voted against the resolution and Tata Trusts has called it a legal nullity. The dispute centres on Tata Sons' Articles of Association, Trust nominee rights and the company's proposed listing following the RBI's latest decision.
Hero Motors IPO GMP stands at ₹5.5 on September 18, down sharply from ₹24 earlier in the week. The IPO is subscribed 4.60x, led by retail and NII demand.
The NSE IPO anchor book comprised 189 investors who were allotted 3,77,93,739 shares worth ₹6,746.18 crore at ₹1,785 per share. Here is the complete list.
Jindal Supreme IPO GMP rises to ₹31 on September 18, implying an estimated listing price of ₹124. The issue is subscribed 166.61x, led by NII and retail investors.
Adani Group stocks ended higher on September 18, led by Adani Total Gas with a 12.03% gain. Adani Ports, Adani Green Energy, Adani Energy Solutions and Adani Enterprises also advanced as Jefferies highlighted growth prospects across the group's infrastructure and energy businesses. Meanwhile, Adani Airport Holdings is raising ₹9,825 crore from global and domestic investors.
The US Federal Reserve raised its policy rate by 25 basis points to 3.75%-4%, its first hike in more than three years, and signalled the possibility of another increase in 2026. Indian markets remained relatively resilient, but crude oil, FPI selling, rupee weakness and global bond yields remain key factors for investors.
SS Retail IPO GMP rises to ₹120 from ₹90, indicating a potential 28.30% premium over the ₹424 issue price. The IPO was subscribed 2.36x by 11:21 AM.
SS Retail IPO GMP stands at ₹137 on September 18, implying an estimated listing price of ₹561. The IPO is subscribed 13.75x, led by NII and retail demand.
Rentomojo shares opened at ₹482.45 and touched ₹534 after listing. The stock was trading at ₹520.15 on NSE at 1:45 PM, up 28.75% from its ₹404 issue price.

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