S51.SI rises 10.87% to S$2.55 on heavy volume (SES): momentum vs valuation

S51.SI stock jumped 10.87% to S$2.55 at market close on 19 Jan 2026 on the Singapore Exchange (SES), led by a surge in volume to 108,233,700 shares. The gain made Sembcorp Marine Ltd (S51.SI) one of today’s top gainers on the SES as price cleared the 50‑day average of S$2.09 and approached the year high of S$2.59. Traders cited heavy buying and sector strength in Industrials, while fundamentals show mixed signals that call for selective position sizing and risk controls.