Defence sector stocks traded mixed during the morning session on May 20, 2026. While some private sector defence companies like Apollo Micro Systems and Astra Micro posted strong gains, several major public sector undertakings and other names witnessed selling pressure. The broader market was also mildly weak, with the Nifty 50 down 0.39% at 23,526.55 and the S&P BSE Sensex declining 0.42% to 74,886.13 as of around 9:54 AM.

Top Gainers in the Defence Sector

  • Apollo Micro Systems was the top performer, rising 4.76% on BSE to ₹356.85 and 4.92% on NSE.
  • Astra Micro advanced 4.37–4.42%.
  • Krishna Defence gained 2.49%.
  • Nibe Limited rose 1.62%.

Other stocks showing gains included Data Patterns, Garden Reach Shipbuilders & Engineers,Digilogic Systems, Premier Explosives, and Solar Industries.

Major Losers in the Defence Sector

  • IdeaForge Technology witnessed the sharpest decline, falling 3.41% on BSE to ₹751 and 3.43% on NSE.
  • Bharat Electronics (BEL) dropped 2.82–2.90%.
  • Bharat Dynamics declined 2.05–2.12%.
  • Hindustan Aeronautics (HAL) was down 1.55–1.58%.

Other notable losers included Garden Reach Shipbuilders, MTAR Technologies, Mazagon Dock Shipbuilders, Cochin Shipyard, Unimech Aerospace, Paras Defence & Space Tech, and Bharat Forge.

Most other defence stocks traded with limited movement or small changes during the session.

Note: All prices and percentage changes are based on data as of 9:54 AM on BSE and NSE on May 20 2026. Market prices are volatile and continue to change rapidly. This is for informational purposes only and does not constitute investment advice. For the latest live prices, please check the official NSE and BSE websites.