Core Viewpoint - Intel's stock experienced significant volatility, closing down 4.2% despite earlier gains of 5.5%, reflecting a challenging day for the tech sector [1] Group 1: Stock Performance - Intel's share price fell 4.2% during trading, after reaching a peak increase of 5.5% earlier in the session [1] - The stock's decline was influenced by a lack of expected positive news following initial bullish catalysts [2] Group 2: Catalysts and Market Reactions - Initial gains for Intel were driven by reports that Nvidia and Broadcom were testing Intel's 18A chip fabrication process, which is central to Intel's foundry strategy [3] - The interest from Nvidia and Broadcom in the 18A process is seen as a positive sign for Intel's fabrication business, although it has not yet resulted in significant contract wins [3] Group 3: Speculation and Announcements - Speculation surrounding a potential announcement involving President Trump and TSMC contributed to initial stock gains, as TSMC's CEO met with Trump to discuss a $100 billion investment in the U.S. semiconductor industry [4] - Despite the speculation, no significant news regarding a deal between Intel and TSMC was announced, leading to a rapid sell-off of Intel's stock [4]