1ST.AX stock up 22% pre-market 17 Jan 2026: short-term rally tests liquidity and valuation

1ST.AX stock opened the pre-market session on 17 Jan 2026 at A$0.011, up 22.22% from the previous close. The move comes on heavy volume of 2,075,140 shares versus an average volume near 678,621, signalling short-term buying interest. We see this one-day surge as a liquidity-driven rebound inside the ASX healthcare small-cap cluster, and we outline why the spike matters for traders and longer-term investors.