Why Monolithic Power Systems (MPWR) stock is in focus ahead of Tuesday’s reopen
New York, January 19, 2026, 19:42 EST — Market closed Shares of Monolithic Power Systems, Inc. (MPWR) climbed 2.3% to close at $1,033.17 on Friday, marking their fifth straight day of gains ahead of the long weekend. U.S. markets, including the Nasdaq and NYSE, will be closed on Monday for Martin Luther King Jr. Day, with trading picking back up…