US Semiconductor Component Stocks Surge Over $10 Billion in Market Cap in One Day

Vishay Intertechnology, Inc. (NYSE: VSH) closed up 9.5% at $60.87 on the US market on the 25th. At an exchange rate of roughly ₩1,540 to the dollar, that equates to about ₩90,000 per share and a market capitalization of roughly $75 billion (₩11.6 trillion), marking a one-day gain of approximately $790 million (₩1.2 trillion).

Trading volume topped 3.2 million shares, fueling the short-term rally.

The company has recently expanded its portfolio of power and sensor components for electric vehicles and energy infrastructure by introducing a series of new products, including automotive-grade phototransistor optocouplers for 800 V EV batteries, ambient light sensors for vehicles, and high-voltage inductors.

Supported by this product offensive, the stock has surged from the mid-$14 range at the start of the year to around $60, more than tripling year-to-date.

Headquartered in Malvern, Pennsylvania, Vishay Intertechnology ranks among the world’s largest electronic-component manufacturers, offering a broad lineup of passive and active devices—MOSFETs, diodes, optoelectronic components, resistors, inductors, and capacitors.

At a recent investor event, management unveiled its “Vishay 3.0” strategy, aiming for $5 billion in revenue and a low-30% gross margin by 2028–2029 through targeted capacity expansions and product-mix improvements.