Follow our live coverage here.SINGAPORE - Singapore stocks ended the week lower on April 17 as investors awaited the extension of the US-Iran war ceasefire beyond April 22.The benchmark Straits Times Index (STI) dipped 0.2 per cent or 9.9 points to close the week at 4,997.93.Yangzijiang Shipbuilding ended April 17 as the top performer, rising 1 per cent, or 4 cents, to $4.09, while Seatrium fell the most, losing 1.6 per cent or 4 cents to close at $2.42.The three banks’ performance was mixed when markets closed for the week on April 17. OCBC rose 0.3 per cent or six...