ASX Top Gainers Today (12 December 2025): Rhythm Biosciences surges, while gold, uranium and “value rotation” lift Australia’s sharemarket
Sydney, 12 December 2025 — Australia’s sharemarket rallied on Friday as investors piled into resources and financials, with the S&P/ASX 200 up about 1.2% in early afternoon trade and most sectors in the green. ABC But the real fireworks were in individual names: a cluster of small-cap stocks posted double‑digit jumps, while large-cap miners (including gold-linked names) dominated the ASX 200’s risers list. Market Index+2Market Index+2 Below is a detailed look at today’s biggest gainers on the Australian stock market (ASX), what’s driving the moves, and the key macro and commodity themes shaping the session. Why the ASX is rising