ASML Holding NV’s sales to China were resilient in the first quarter despite curbs on exports of high-end chipmaking equipment to the Asian nation kicking in this year. China remains ASML’s biggest market, representing 49% of system sales in the first quarter, the Dutch company said on Wednesday. By contrast, the proportion of sales from Taiwan more than halved, while the US accounted for 6%, down five percentage points from the prior quarter....