Market Capitalization Soars by 1.8 Trillion Won in One Day… U.S. Small and Mid-Cap Semiconductors Surge

U.S. small- and mid-cap semiconductor firm Diodes Inc. (NASDAQ: DIOD) surged 17.65% on the Nasdaq to close at $128 per share, pushing its market capitalization to roughly $5.88 billion (about ₩8.2 trillion). In a single day, its market value rose by approximately $1.26 billion (around ₩1.8 trillion), and trading volume exceeded 1.34 million shares.

In its May 7 release of first-quarter fiscal 2026 results, Diodes reported revenue of about $405 million, a 22% year-over-year increase, and swung from a net loss in the prior year to net profit, emphasizing a recovery in demand for AI servers, automotive, and industrial applications. On April 13, Truist Securities upgraded its rating on Diodes to Buy—citing an expected cyclical economic recovery—and raised its price target from $67 to $98, reflecting growing medium- to long-term growth expectations.

Headquartered in Plano, Texas, Diodes specializes in analog, power, and mixed-signal semiconductors, supplying standard discrete components to end markets including automotive, industrial, computing, communications, and consumer electronics. Since its founding in 1959, the company has expanded through multiple acquisitions such as Zetex and Lite-On. As of 2025, Diodes is a Nasdaq-listed company with annual revenue of approximately $1.5 billion (about ₩2 trillion).