TMTPost -- Netherlands-listed shares of ASML Holding NV crashed as much as 16% and settled more than 15.6% lower to 668.10 euros on Tuesday, the lowest since January 17. Shares logged their biggest daily fall since June 1998 after  the world’s leading lithography machine manufacturer reported weaker-than-expected bookings and guidance, along with the downward sales outlook in its major market China. The plummet of ASML, Europe’s most valued tech firm, pushed tech stocks of the pan-European STOXX 600 index plunged 6.5% in the sector’s biggest one-day drop since October 2020.