Australian shares snapped a three-week winning streak as investors trimmed positions before the weekend, with caution returning across Asia despite tentative progress on extending the US-Iran ceasefire. The $S&P/ASX 200(XJO.AU)$ fell 8.1 points, or 0.1%, to 8946.9, with six of the 11 sectors in the red. But the benchmark up 0.39% for the week after posting its strongest rise in four years on hopes tensions in the Middle East would ease. Here are the key reasons for the strong week performance (up to April 17, 2026 close) of these ASX stocks, based on the most recent market developments, sector sentiment shifts, and company-specific updates. 1. $WISETECH GLOBAL LTD(WTC.AU)$ +22.72% WiseTech shares