On January 16, 2026, Indian equity markets experienced a significant rally, with the Sensex surging over 700 points and the Nifty 50 index climbing above the 25,850 mark. This strong market performance was predominantly attributed to robust buying in the Information Technology (IT) sector. A key catalyst for this IT-led rally was Infosys, which delivered stronger-than-expected third-quarter (Q3) results and subsequently raised its full-year revenue growth guidance. Infosys shares notably surged, closing with a remarkable change of 4.49%, demonstrating the direct impact of its performance on investor sentiment and the broader market. Other IT majors, including Wipro and Tech Mahindra, also witnessed considerable gains, further bolstering the sector's contribution to the market's upward trajectory. Beyond IT, buying interest was also observed across banking, financial services, and Public Sector Undertaking (PSU) banks, indicating a broad-based positive sentiment. Realty and metals sectors also showed strength, while FMCG remained steady. The rally on Friday signals a broadly positive market sentiment, influenced by corporate earnings and other domestic cues. While global factors always play a role, the immediate impetus appeared to be domestic earnings performance, especially from the IT giant Infosys. This market movement is significant for investors and the Indian economy, reflecting confidence in corporate performance and market resilience.