MARKET OVERVIEW- Expect more volatility ahead following the sharp sell-off on Wall Street after US President Trump announced plans to slap punitive steel and aluminium tariffs next week, sparking fears of a possible trade war with major trading partners, including China and Europe.- Technically, the STI could extend its decline to 3,470 with the next level of support at 3,450. Near term resistance is at 3,575. SECTOR WATCH*Manufacturing- According to a local semiconductor group, Singapore's semiconductor output growth to moderate in 2018 from last year's robust expansion (+48%) amid recent signs of softening in global demand for mobile devices. - Chip-related stocks include AEM, UMS, Global Testing and Avi-tech.CORPORATE RESULTS*Jardine C&C- FY17 headline net profit jumped 16% to US$811.2m