If you opened your portfolio today and noticed Tata Motors’ share price down by nearly 40%, you might have been alarmed. The drop is linked to the company’s demerger, which changes how the price is shown. Here’s what happened and how the adjustment works.
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The Big Picture: What Happened to Tata Motors Stock?
Tata Motors‘ stock opened at ₹399 on October 14, 2025, down roughly 40% from the close of ₹660.90 on Monday. At first, a lot of traders thought there would be a market crash or bad financial news, but that wasn’t true.
The drop happened because Tata Motors began trading ex-demerger. The company officially split its two core businesses — Passenger Vehicles (PV) and Commercial Vehicles (CV) — into separate listed entities. That means the price adjustment simply reflects the removal of the commercial vehicle business from the original stock value.
So, this is not an erosion of market capital — it’s more like slicing one cake into two equal halves.
Understanding the Tata Motors Demerger
Here’s how the demerger works:
- Tata Motors separated into two companies: Tata Motors Commercial Vehicles Limited (TMLCV) and Tata Motors Passenger Vehicles Limited (TMPVL).
- Shareholders who held Tata Motors shares as of the record date, October 14, will receive one share of the new TMLCV for every one share they already hold in Tata Motors.
- The new CV stock will list on the exchanges in November 2025.
That means the holding is split across two companies; the combined value then depends on how both shares trade.
Why Did the Price Drop by 40%?
Before the demerger, Tata Motors’ ₹660 share price represented both businesses combined. After the split, the Passenger Vehicle company (TMPVL) now represents only the PV and JLR arms — naturally, the adjusted price reflects that.
So, the 40% decline mirrors the relative value transferred to the upcoming CV entity.
Simply put, if Tata Motors was an apple worth ₹660, it’s now been divided into two apples worth roughly ₹400 and ₹260 each. You still own both.
What Market Experts Said
Several market experts described the fall as a price adjustment after the reorganisation, not a crash. The CV entity’s shares appear in demat accounts and trade separately once it lists.
Points to keep in mind:
- You still own both companies — Tata Motors PV and Tata Motors CV.
- The demerger is meant to give each business its own focus: CV on logistics and transport, PV on premium and electric mobility.
What Happens Next?
- New Stock Listing: Tata Motors Commercial Vehicles Limited (TMLCV) will list by mid-November 2025.
- Value Adjustment: Your Demat account will soon reflect the new shares automatically.
- Performance Focus: TMLCV will continue to produce trucks, buses, and logistics products, while TMPVL will concentrate on producing luxury and electric vehicles.
After both shares start trading, each will be priced by the market separately.
What the Company Has Said
The company has said the split is intended to sharpen sector-specific strategy, management focus and capital efficiency.
- Commercial Vehicles Arm: The expansion of logistics and investments in infrastructure continue to help the CV company. Demerger independence will facilitate targeted expansion and quicker decision-making.
Expert View
Market commentators described the fall as a technical adjustment linked to the demerger rather than a crash.
Key Takeaway
- The 40% fall is due to demerger adjustment, not poor performance.
- The price fall mainly reflects value moving to the CV entity.
- Investors will hold shares in both new entities.
Conclusion
In summary, the 40% decline in Tata Motors‘ stock price is a chance to learn more about how corporate restructuring operates rather than a cause for concern. By splitting its passenger and commercial businesses, Tata Motors now has two separately listed companies.
The next time your trading app flashes red, check whether a corporate action such as a demerger, split or bonus is behind the move.
Investments in the securities market are subject to market risks. This article is for education only and is not investment advice.
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