Defence sector stocks traded mostly lower on May 18, 2026, during the morning session. The broader market was also weak, with the Nifty 50 down 1.19% at 23,361.05 and the S&P BSE Sensex declining 1.20% to 74,338.88 as of around 10:04 AM.

Top Gainers in Defence Sector

  • Nibe Limited was the only notable gainer, rising 2.87% to ₹1,035 on BSE.
  • Solar Industries posted a marginal positive move of 0.33–0.47%.

Major Losers in Defence Sector

  • Cochin Shipyard witnessed the steepest decline, falling 6.85–6.91%.
  • Hindustan Aeronautics (HAL) dropped 4.60%.
  • Garden Reach Shipbuilders & Engineers declined 4.22–4.35%.
  • Data Patterns fell 4.16–4.47%.
  • IdeaForge Technology was down 4.40–4.47%.

Other significant losers included MTAR Technologies (-4.17 to -4.33%), Mazagon Dock Shipbuilders (-3.54 to -3.66%), Paras Defence & Space Tech (-3.45 to -3.52%), Swan Defence, Unimech Aerospace, Bharat Dynamics, Premier Explosives, Kaynes Technology, Bharat Forge, and Avantel.

Most other defence stocks, such as Bharat Electronics, Bharat Forge, and Apollo Micro Systems also traded with losses ranging from 1.5% to 3%.

Note: All prices and percentage changes are based on data as of 10:04 AM on BSE and NSE on May 18 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.