+100% 5TY.SI Advanced Systems Automation (SES) AH 27 Feb 2026: thin market

Advanced Systems Automation Limited (5TY.SI) rose 100.00% to S$0.002 in after-hours trading on 27 Feb 2026. The 5TY.SI stock move came on 550000.00 shares traded and follows a low-liquidity trading profile that has shown bursts historically. We examine why the jump occurred, how the company’s thin market structure affects price moves, and what the key financial ratios say about valuation in the Singapore (SES) market.