Europe’s largest tech company ASML is on Wednesday set to publish its fourth-quarter results, in what will be poured over by investors seeking to work out when the slump in the global semiconductor market is likely to end. For investors, the information posted by the Dutch company which makes the machines used to manufacture microchips will offer vital signs as to the health of the worldwide tech industry which relies on ASML’s systems. ASML’s results will also offer clues as to the extent to which the comp ...