“AI Boom” Pushes Monolithic Power (MPWR) Stock to Record High – Is the Rally Just Beginning?

On Thursday the market really took notice. MPWR stock climbed sharply after midday – driven by a published analyst upgrade – and hit $1,045.01, a fresh 52-week highmarkets.chroniclejournal.com. In fact, MarketBeat reports MPWR traded “as high as $1,045.01” on Oct. 23marketbeat.com. By comparison, the stock opened the year near $620, so the YTD run is roughly +70%. The spike coincided with KeyBanc/KeyCorp raising its price target. Volume that day was heavy, reflecting a rush of buyers. By late afternoon MPWR was trading around $1,040–$1,050 – well above most prior levels. Such a leap was fueled by fresh optimism over AI-driven demand for MPS’s chips.