S51.SI up 10.87% to S$2.55 on 16 Mar 2026: Market closed, volume signals re-rating

S51.SI stock closed higher after a heavy intraday move, rising 10.87% to S$2.55 on 16 Mar 2026 on the Singapore Exchange (SES). Market closed with volume at 108,233,700 shares, about 3.27x the 50-day average, signalling strong buying interest. The jump set a new year high at S$2.59 and followed gains across the Industrials sector. We examine drivers, valuation, and near-term targets for Sembcorp Marine Ltd (S51.SI) in this market-closed top gainers report.