Natural Gas Compression Stocks Surge... Market Cap Increased by 900 Billion Won in Just One Day

On the New York market, Archrock Inc. (NASDAQ: AROC) closed at $41.63 on the 25th, up 7.33% from the prior day. Trading volume reached roughly 1.38 million shares—above its average—and its market capitalization rose by about $577 million in a single session to $7.297 billion (approximately KRW 11 trillion).

The previous day, Archrock announced the appointment of Mohit Singh as Chief Financial Officer and Senior Vice President, effective July 6. Singh most recently served as CFO of Expand Energy—formed by the merger of Chesapeake Energy and Southwestern Energy—and brings over 25 years of financial and investment expertise across the energy value chain.

Archrock is an energy infrastructure company in the U.S. midstream sector, specializing in natural gas compression under contract and providing aftermarket services. Founded in 1954 and headquartered in Houston, Texas, the company operates a fleet of compressors across major shale gas and oil producing regions, positioning it to benefit from rising U.S. natural gas production and demand.