US Airline Stocks Surge Over $2 Billion in Market Cap in One Day

Southwest Airlines Co. (NYSE: LUV) shares surged 7.45% to close at $44.29 on the New York Stock Exchange on the 10th. Trading volume totaled roughly 3.07 million shares, and the company’s market capitalization climbed to about $21.6 billion—roughly 30 trillion Korean won—marking a one-day increase of around $1.7 billion (about 2.4 trillion won).

As of the prior day, Wall Street analysts maintained a consensus “Hold” rating on Southwest, with several setting price targets near $45. In its April release of first-quarter results, the airline reported $7.2 billion in revenue and $227 million in net income, noting that business restructuring initiatives delivered meaningful margin expansion.

Southwest Airlines is the largest low-cost carrier in the U.S., operating a uniform fleet of Boeing 737s to more than 100 destinations across the continental U.S., Puerto Rico, Mexico, Central America, and the Caribbean. Founded in Texas in the late 1960s, Southwest is celebrated as a pioneering low-cost carrier model that reshaped competition in the American airline industry through aggressive low fares and a simplified route and fleet strategy.