Sigma Advanced Systems shares rally 5% on Rs 155 crore anti-drone orders; stock up 105% in 3 months

Sigma Advanced Systems shares gained nearly 5% after the defence technology company announced orders worth around Rs 155 crore for its Indrajaal Ranger anti-drone system. The stock has surged 105% in three months, while its order book stands at approximately Rs 8,000 crore, supporting strong revenue visibility.