---
title: "Monolithic Power Systems Inc. Stock Underperforms Monday When Compared To Competitors"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/286817178.md"
description: "Monolithic Power Systems Inc. (MPWR) shares fell 4.11% to $1,486.33 on Monday, marking the third consecutive day of losses. The stock is now 11.29% below its 52-week high of $1,675.42. In comparison, competitors Texas Instruments Inc. and Analog Devices Inc. had mixed performances, with Texas Instruments down 0.70% and Analog Devices up 0.26%. Trading volume for MPWR was 806,298, surpassing its 50-day average of 588,281."
datetime: "2026-05-18T20:42:29.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/286817178.md)
  - [en](https://longbridge.com/en/news/286817178.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/286817178.md)
---

# Monolithic Power Systems Inc. Stock Underperforms Monday When Compared To Competitors

This article was automatically generated by MarketWatch using technology from Automated Insights.

Shares of Monolithic Power Systems Inc. (MPWR) slid 4.11% to $1,486.33 Monday, on what proved to be an all-around mixed trading session for the stock market, with the Dow Jones Industrial Average rising 0.32% to 49,686.12 and the S&P 500 Index falling 0.07% to 7,403.05.

This was the stock's third consecutive day of losses.

Monolithic Power Systems Inc. closed 11.29% below 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 Monday, as Texas Instruments Inc. (TXN) fell 0.70% to $300.60, Analog Devices Inc. (ADI) rose 0.26% to $418.58, and NXP Semiconductors N.V. (NXPI) rose 0.06% to $291.68.

Trading volume (806,298) eclipsed its 50-day average volume of 588,281.

Data source: Dow Jones Market Data, FactSet. Data compiled May 18, 2026.

This content was created by MarketWatch, which is operated by Dow Jones & Co. MarketWatch is published independently from Dow Jones Newswires and The Wall Street Journal.

(END) Dow Jones Newswires

05-18-26 1642ET

### Related Stocks

- [MPWR.US](https://longbridge.com/en/quote/MPWR.US.md)
- [SOXX.US](https://longbridge.com/en/quote/SOXX.US.md)
- [FTXL.US](https://longbridge.com/en/quote/FTXL.US.md)
- [SMH.US](https://longbridge.com/en/quote/SMH.US.md)
- [XSD.US](https://longbridge.com/en/quote/XSD.US.md)
- [SOXL.US](https://longbridge.com/en/quote/SOXL.US.md)
- [PSI.US](https://longbridge.com/en/quote/PSI.US.md)
- [.DJI.US](https://longbridge.com/en/quote/.DJI.US.md)
- [TXN.US](https://longbridge.com/en/quote/TXN.US.md)
- [ADI.US](https://longbridge.com/en/quote/ADI.US.md)
- [NXPI.US](https://longbridge.com/en/quote/NXPI.US.md)

## Related News & Research

- [Monolithic Power Systems, Inc. $MPWR Shares Sold by Crossmark Global Holdings Inc.](https://longbridge.com/en/news/286217824.md)
- [18:47 ETRosen Law Firm Announces Investigation of Breaches of Fiduciary Duties by the Directors and Officers of Monolithic Power Systems, Inc. - MPWR](https://longbridge.com/en/news/286166314.md)
- [Analog Devices set for 56% profit jump as Q2 nears](https://longbridge.com/en/news/286646613.md)
- [Here's why Astera Labs' stock just staged a big gain](https://longbridge.com/en/news/286969770.md)
- [Cerebras raises $5.5B, kicking off 2026’s IPO season with a bang](https://longbridge.com/en/news/286445132.md)