As of May 18, 2026, TSMC’s market value stood at NT$58 trillion (US$1.8 billion), MediaTek’s at NT$5.45 trillion, and Delta Electronics’ at NT$5.2 trillion — the three largest companies in Taiwan’s capital market. The rapid expansion of electronics valuations has drawn regulatory scrutiny and triggered risk warnings for some companies, while lawmakers argue that rules on managed securities and related standards need updating to reflect a fundamentally changed market structure.