On May 11, 2023, Atmastco Defence Systems' share price was locked at a 5% upper circuit, reaching an intraday high of ₹204.60 despite a downturn in the stock market. This rise follows the company's acquisition of the Bureau of Indian Standards (BIS) 17051:2018 certification for its Level 6 Bulletproof Jackets, which confirms compliance with stringent quality and safety standards in India. This certification is a significant milestone for Atmastco, enhancing its reputation in the defence manufacturing sector and increasing its appeal to institutional buyers and government agencies. The stock has seen a remarkable increase of over 40% this month, reflecting strong market momentum. Rajesh Bhosale, an analyst at Angel One, noted that while the stock is currently overbought, immediate support levels are between ₹180 and ₹185, with resistance at ₹230 to ₹240. Investors are advised to consider a buy-on-dip strategy as the stock shows potential for continued growth.