Stock Surge of 4 Trillion Won for 'Unknown' Defense and AI Beneficiary Due to Earnings Surprise

Shares of NASDAQ-listed PCB manufacturer TTM Technologies Inc. (TTMI) jumped 14.91% intraday on April 30, trading near $158 as volume surged well above average. Over the course of the day, its market capitalization increased by roughly $2.87 billion (about ₩4 trillion) to around $16 billion (approximately ₩20 trillion).

The rally followed the company’s Q1 2026 results announcement, which substantially beat market expectations. TTM reported first-quarter revenue of $846 million, a year-over-year increase of about 30%, and adjusted earnings per share of $0.75, topping Wall Street’s estimate of $0.67 and bolstering investor confidence.

Headquartered in Santa Ana, California, TTM Technologies manufactures printed circuit boards and provides electronic manufacturing services, deriving a significant portion of its revenue from high-value electronic systems in aerospace and defense as well as data-center and telecommunications equipment. The company has recently emerged as a key supplier in defense electronics and AI data-center infrastructure, attracting attention as a mid- to long-term growth stock backed by a multi-billion-dollar defense order backlog.