Top gainers and losers, Dec 17: Trent, Bajaj Auto fall 2%, Shriram Finance, SBI rise 2%; check list

The Indian stock market witnessed a mixed trading session on December 17, with some stocks rising while others fell. Exchange data indicated that foreign institutional investors (FIIs) sold off ₹2,060.76 crore worth of equities, while domestic institutional investors (DIIs) purchased stocks worth ₹770.76 crore on a net basis.

The SENSEX closed at 84,559.65, down by 120.21 points or 0.14%. The NIFTY50 also ended lower, closing at 25,818.55, a decrease of 41.55 points or 0.16%.

**NIFTY50 Movers**

Among the top losers on the NIFTY50 were Max Healthcare Institute, which fell by 3.71%, Apollo Hospitals Enterprise (-1.98%), Trent (-1.66%), Bajaj Auto (-1.55%), and HDFC Life Insurance Company (-1.49%).

Conversely, Shriram Finance closed with a gain of 2.07%. The company's board is scheduled to meet on Friday, December 19, 2025, to discuss potential fundraising.

Other notable gainers included State Bank of India (1.58%), Hindalco Industries (1.30%), Eicher Motors (1.15%), and Tata Consumer Products (0.86%). SBI's shares increased following the government's decision to extend the tenure of its Managing Director, Ashwini Kumar Tewari, for an additional two years.

**NIFTY Midcap 100 Performance**

The NIFTY Midcap 100 index experienced a decline of 0.54%, or 321.95 points, closing at 59,388.85. Polycab India was a significant drag on the index, falling by 4.10%. Other companies that saw losses included Cochin Shipyard (-3.88%), Colgate Palmolive (-3.58%), Dixon Technologies (-3.10%), and PB Fintech (-2.83%).

On the positive side, Indraprastha Gas shares closed 4.68% higher, reaching an intraday high of ₹196.90 after the Petroleum and Natural Gas Regulatory Board (PNGRB) announced the effective date for its new Unified Natural Gas tariff structure. The revised framework reduces the number of tariff zones from three to two. The tariff applicable for up to 300 km will be charged for the CNG and PNG-D sectors across the country, regardless of distance, to promote CNG and domestic PNG usage.

Other top gainers in the NIFTY Midcap 100 were Mahindra & Mahindra Financial Services (2.75%), Bank of India (1.81%), APL Apollo Tubes (1.74%), and Aurobindo Pharma (1.18%).

**NIFTY Smallcap 100 Roundup**

The NIFTY Smallcap 100 index closed at 17,138.55, down by 0.73% or 126.60 points.

The biggest loser in this index was Ola Electric Mobility, which fell by 4.87%. This decline followed reports that the company's founder, Bhavish Aggarwal, had monetized a portion of his personal shareholding to release all promoter-level share pledges, totaling ₹260 crore. Data Patterns (-4.85%), HBL Engineering (-4.64%), Tejas Networks (-3.41%), and Computer Age Management Services (-3.08%) also saw significant losses.

In contrast, Reliance Power (3.55%), Swan Corp (2.39%), Aegis Vopak Terminals (2.28%), Aditya Birla Real Estate (2.06%), and Karur Vysya Bank (1.86%) were among the top gainers in the NIFTY Smallcap 100.