On April 21, Indian stock markets experienced a notable surge, with the Sensex climbing 753 points (0.96%) to close at 79,273.33, while the Nifty 50 gained 212 points (0.87%) to finish at 24,576.60. This rally was primarily driven by easing crude oil prices and positive sentiment surrounding potential US-Iran peace negotiations. However, the Gift Nifty suggests a potential downturn for April 22, indicating a negative opening around 24,460. Key stocks to monitor include Tech Mahindra, which is set to announce its Q4 results, and HCL Technologies, which declared an interim dividend of ₹24 per share alongside a revenue increase of 12.3% year-on-year. Trent is also in focus as it considers its first-ever bonus share issuance. Other notable mentions include PNB Housing Finance, projecting an 18-20% growth in its loan portfolio, and Aurobindo Pharma, which is initiating a share buyback of up to ₹800 crore. BEML has secured a ₹590 crore contract from the Ministry of Defence, further highlighting the diverse movements in the market.