S&P/ASX 200 hits new 50-day low as Australian shares begin week on soft note: Yancoal Australia Limited climbed, Dyno Nobel saw big fall; check top gainers and losers

Australian shares experienced a significant downturn on Monday, March 9, 2026, with the S&P/ASX 200 index plummeting 2.85% to 8,599.00, marking a new 50-day low. The index has seen substantial losses over the past week and year. Notable decliners included Dyno Nobel and DroneShield, while Yancoal Australia and Karoon Energy led the gains.