On Monday, September 21, the SENSEX closed at 74,894.86, up 0.81% or 599.90 points, while the NIFTY50 finished higher by 82.60 points or 0.35% at 23,429.00. Both benchmark indices ended in positive territory amid a fall in global crude oil prices, foreign institutional investor inflow and buying in pharmaceutical and real‑estate stocks. The SENSEX had surged as much as 0.9% to an intraday high of 74,987.40, and the NIFTY50 had touched a session peak of 23,466.80.

On Friday, foreign institutional investors purchased shares worth ₹599.54 crore, while domestic institutional investors bought equities worth ₹1,019.69 crore on a net basis, according to exchange data. These inflows helped lift the indices, with the SENSEX and NIFTY50 ending in positive territory on Monday. The buying was concentrated in sectors such as pharmaceuticals and real estate, which benefited from the decline in global crude oil prices.

The NIFTY50’s top gainers were Eternal (2.77%), HCL Technologies (2.54%), ITC (1.79%), Sun Pharmaceutical Industries (1.72%) and Reliance Industries (1.71%). The index’s top losers were Bharti Airtel (‑3.33%), Adani Ports and Special Economic Zones (‑2.02%), Bajaj Finance (‑1.83%), Power Grid Corporation of India (‑1.55%) and Adani Enterprises Ltd (‑1.49%). These swings reflected sectoral shifts and investor sentiment during the session.

The NIFTY Midcap 100 ended at 62,013.10, down 178.15 points or 0.29%. It was weighed down by Oracle Financial Services Software (‑8.28%), APL Apollo Tubes (‑3.92%), UPL (‑3.47%), Adani Total Gas (‑3.44%) and Container Corporation of India (‑3.28%). Patanjali Foods surged 7.96% after its CEO Sanjeev Asthana said the company continues to see healthy urban demand, while higher input costs and the rural slowdown remain key factors to watch. Other top winners were Mankind Pharma (5.96%), LIC Housing Finance (3.62%), Info Edge (3.61%) and ICICI Lombard General Insurance Company (3.50%).

The NIFTY Smallcap 100 closed at 19,861.50, down 14.20 points or 0.07%. Its top losers were Kfin Technologies (‑3.58%), RBL Bank (‑3.25%), Piramal Finance (‑3.23%), IFCI (‑3.18%) and Ather Energy (‑2.87%). Top gainers included Jyoti CNC Automation (6.03%), Wockhardt (4.84%), Cohance Lifesciences (4.57%), Kaynes Technology India (3.84%) and Aegis Logistics (3.84%). These movements illustrate the volatility in the small‑cap segment during the session.