One of the "most important companies in the world" just got smashed on semiconductor manufacturing concerns.Shares of top lithography equipment maker ASML Holding (ASML 1.46%) took a steep tumble after earnings in mid-April, halving what was a heady 30% run-up in the first few months of 2024. ASML is still sporting big gains so far during the new bull market, but some investors are nevertheless suddenly concerned about the company's financial outlook.ASML is the sole provider of EUV (extreme ultraviolet) li ...