Monolithic Power Systems (MPWR) stock stretches a five-day run into MLK shutdown — what to watch next
New York, January 18, 2026, 18:51 EST — The market has closed for the day. Monolithic Power Systems Inc shares rose 2.34% to finish at $1,033.17 on Friday, marking their fifth consecutive gain. The stock outpaced several analog and mixed-signal chip rivals during the session. (MarketWatch) The move unfolded as U.S. stocks finished almost unchanged in a volatile session before a long weekend. Semiconductor stocks stood out as some of the stronger performers, despite the main indexes posting weekly declines. “One of the other reasons markets have been flat-lining is we’re at the start of the earnings season,” said Anthony