ASX Biggest Losers Today: Austal, Metcash and Nanosonics Slide Even as the ASX 200 Surges (December 12, 2025)
Australia’s sharemarket rallied on Friday, 12 December 2025, but several ASX shares sank sharply. Here are today’s biggest stock losers on the ASX, what’s behind the falls, and what analysts are watching next. SYDNEY, December 12, 2025 — Australia’s sharemarket powered higher on Friday, with the S&P/ASX 200 up about 1.2% to around 8,692 in afternoon trade, helped by strength in materials and banks and a powerful run in gold-linked names.ABC+ 1 But even on a broadly green day, the “biggest losers” list still matters—because sharp declines often surface stock-specific catalysts (foreign investment rulings, trading halts, ex-dividend drops, sector rotations)