Monolithic Power shares rise 5.45% after-hours as Q4 earnings surpass estimates on record revenues.

Monolithic Power Systems (MPWR) rose 5.45% in after-hours trading following multiple analyst upgrades and strong Q4 earnings. The stock gained momentum as TD Cowen, KeyBanc, and Needham each raised price targets to $1,350, $1,500, and $1,300 respectively, reflecting heightened confidence in the company’s outlook. Additionally, MPWR reported Q4 earnings that exceeded estimates on record revenues, further reinforcing its market position. Analysts’ revised price targets—averaging $1,315.08—signal a consensus on the stock’s upside potential, aligning with its after-hours surge. The combination of improved analyst sentiment and robust financial results likely drove the significant post-market rally.