MACOM is trading at $250.30, down 4.07% in pre-market on October 29, as Alphabet’s earnings miss and negative free cash flow raised concerns about AI spending, weighing on semiconductor shares. - No fresh MACOM-specific catalyst surfaced; Raymond James’ October 27 upgrade was earlier and positive, not an explanation for the drop. - Concerns also weighed on U.S. tech futures. - Trading volume and activity-level details are unavailable.