Sigma Advanced System Ltd share price inched up 4.99% to Rs 658.15 after the company's net profit plunged by 69.61% to Rs 38.16 crore, while revenue from operations gained 15.94% to Rs 374.28 crore in Q2FY26 over Q1FY26. The market capitalization of Aerospace & Defense industry group stocks on BSE stood at Rs 8.18 lakh crore, nosediving by 49.77%. It has marginally improved by 3.14% over last one week and rose by 10.40% in last one month while the market capitalization of Sigma Advanced System Ltd has eased by 3.09% and 113.22% in the same period respectively. Profit before tax (PBT) of Sigma Advanced System Ltd stood at Rs 49.22 crore in Q2 FY26, plunging by 70.74% year-on-year, and crashing by 61.36% quarter-on-quarter. EBITDA came in at Rs 56 crore, tanking 127.56% YoY and tumbling by 258.20% sequentially. Total expenses went up by 17.02% to Rs 320.87 crore in Q2FY26 over Q2FY25. During the quarter, cost of materials consumed stood at Rs 140.83 crore, dropping by 16.19% YoY, while employee benefits expense was at Rs 87.55 crore, inching up 5.63% YoY. For the TTM ended FY26, revenue from operations remained flat to Rs 107.36 crore, while net profit soared by 232.94% to Rs 25.27 crore, compared to previous TTM. EBITDA tanked by 4564% to Rs 27.4 crore, and PBT soared 293.31% to Rs 32.33 crore compared to previous TTM. The company's consolidated net cash flow from operating activities stood at Rs 19.38 crore in FY26, as against Rs 22.49 crore in FY25. Sigma Advanced System Ltd surged by 480.12% in last one year, significantly outperforming the benchmark BSE Sensex which has softened by 4.97% during the same period.