When index reshuffles hit the market, they rarely go unnoticed. And this time, the spotlight turned straight toward the IndiGo share price and the Tata Motors PV share price as the Sensex rejig and BSE reshuffle triggered strong reactions across the trading floor.
For traders tracking IndiGo NSE, IndiGo BSE, Tata Motors NSE, and Tata Motors BSE, Monday’s opening numbers told a clear story: one stock climbing, the other cooling off, all because of their new place in India's most-watched benchmark index.
Market Performance: Sentiment Turns as Index Changes Roll In
The market opened with a burst of activity around the Sensex reshuffle, and both these stocks immediately stood out.
IndiGo's share price moved up nearly 2%, reflecting a sharp shift in sentiment after the BSE confirmed that the stock will enter the prestigious 30-share benchmark from December 22.
On the other side of the trade, Tata Motors' PV share price slipped more than 1.5%, reacting to its removal from the same index.
It was one of those mornings where the index announcement drove the narrative more than the market mood itself.
Main News: IndiGo Takes Off; Tata Motors PV Softens
IndiGo Joins Sensex — Stock Reacts Immediately
The excitement was clear right from the opening bell.
IndiGo's share price surged to ₹5,953 in the early hours of Monday as investors priced in the stock’s upcoming inclusion in the Sensex.
Key details around the stock as of the announcement:
- Market Cap: ₹2.27 lakh crore
- Standalone P/E Ratio: ~45
- 6-Month Gains: 9%
- Year-to-Date Gains (2025): Over 28%
Traders often watch index reshuffles closely, and this one clearly lifted the sentiment around IndiGo NSE and IndiGo BSE.
Tata Motors PV Feels the Heat After Exclusion
While one stock climbed on optimism, the other felt the weight of exclusion.
Tata Motors PV share price dropped to ₹356.65 apiece, reacting sharply to the news of the stock being removed from the 30-share index.
Key financial numbers highlighted during the day:
- Market Cap: ₹1.32 lakh crore
- P/E Ratio: More than 1.4
Another notable piece of the puzzle is how the stock was discovered at ₹400 apiece during its listing on NSE on October 14, following the demerger adjustment of its commercial vehicle business.
That marked a 39.5% (or ₹260.75 per share) decline from the previous close after the special pre-open session.
The reshuffle added another chapter to its post-listing price movement.
Company Details: Index Moves & Wider Market Additions
Beyond these two major shifts, the BSE reshuffle brought several additions across its broader indices.
Here were the notable changes announced for December:
Index Additions & Exclusions
- IndiGo will officially replace Tata Motors PV on the Sensex from December 22.
- Another stock was chosen to replace IndusInd Bank on the BSE Sensex 50, taking its position on the BSE Sensex Next 50 as well.
- IDFC First Bank will enter the BSE 100 starting December 22, shifting another stock to the BSE Sensex Next 50.
- From December 26, four banking names will join the BSE Bankex:
- Canara Bank
- AU Small Finance Bank
- Punjab National Bank (PNB)
- Union Bank of India
These additions highlight how index adjustments can reshape the landscape for sectors, especially for banks and large institutional favourites.
Summary: Market Adjusts as IndiGo Rises & Tata Motors PV Eases
The latest Sensex rejig and BSE reshuffle delivered two clear market reactions:
- IndiGo's share price jumped nearly 2%, boosted by its upcoming entry into the Sensex.
- Tata Motors' PV share price dropped over 1.5%, reacting to its exclusion.
With the December reshuffle approaching, both stocks remain in the spotlight across NSE, BSE, and wider market discussions.
This wasn’t just a routine update—it was a sentiment-driven market morning shaped entirely by index restructuring, shifting weightages, and investor recalibration.
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