This article was automatically generated by MarketWatch using technology from Automated Insights.
Shares of Monolithic Power Systems Inc. (MPWR) shed 3.96% to $1,550.02 Friday, on what proved to be an all-around rough trading session for the stock market, with the S&amp;P 500 Index falling 1.24% to 7,408.50 and Dow Jones Industrial Average falling 1.07% to 49,526.17.
This was the stock's second consecutive day of losses.
Monolithic Power Systems Inc. closed 7.48% short of its 52-week high of $1,675.42, which the company achieved on May 13th.
The stock underperformed when compared to some of its competitors Friday, as Texas Instruments Inc. (TXN) fell 1.77% to $302.73, Analog Devices Inc. (ADI) fell 2.18% to $417.49, and NXP Semiconductors N.V. (NXPI) fell 0.91% to $291.50.
Trading volume (682,227) eclipsed its 50-day average volume of 586,339.
Data source: Dow Jones Market Data, FactSet. Data compiled May 15, 2026.
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05-15-26 1642ET

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Monolithic Power Systems Inc. (MPWR) shares fell 3.96% to $1,550.02 on Friday, marking its second consecutive day of losses. The stock is now 7.48% below its 52-week high of $1,675.42. In comparison, competitors Texas Instruments, Analog Devices, and NXP Semiconductors also experienced declines, but MPWR underperformed relative to them. Overall, the S&P 500 and Dow Jones indices also saw losses of 1.24% and 1.07%, respectively.

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Monolithic Power Systems Inc. Stock Underperforms Friday When Compared To Competitors