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NASDAQ:MPWR 23 October 2025 - 9 February 2026

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Monolithic Power Systems (MPWR) Stock After the Bell: Nasdaq-100 Debut, Key Drivers, and What to Watch Before the Dec. 23 Open

Monolithic Power Systems (MPWR) Stock After the Bell: Nasdaq-100 Debut, Key Drivers, and What to Watch Before the Dec. 23 Open

Monolithic Power Systems, Inc. finished Monday’s session modestly higher, closing at $945.16—up 0.86% on the day—after a notably volatile intraday swing that saw the stock trade as high as $976.05 and as low as $937.10. As of early evening trading, after-hours action was essentially flat, with the stock still quoted at $945.16 around 6:15 p.m. ET. StockAnalysis
23 December 2025
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Monolithic Power Systems, Inc. (MPWR) Stock: Nasdaq-100 Addition, Dividend Update, and Fresh Analyst Forecasts as AI Data-Center Demand Builds

Monolithic Power Systems, Inc. (MPWR) Stock: Nasdaq-100 Addition, Dividend Update, and Fresh Analyst Forecasts as AI Data-Center Demand Builds

Dec. 20, 2025 — Monolithic Power Systems, Inc. is ending 2025 in the spotlight after a cluster of catalysts that tends to matter for momentum-driven and fundamentals-driven investors alike: the stock is set to join the Nasdaq-100, the company reaffirmed its quarterly dividend, and Wall Street’s latest notes continue to frame MPWR as a key beneficiary of the AI data-center buildout—a theme that has been reshaping semiconductor leadership over the past year. Reuters+2Nasdaq+2
20 December 2025
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Monolithic Power Systems (MPWR) Stock After Hours Today (Dec. 19, 2025): Truist’s $1,375 Target, Nasdaq-100 Addition, and What to Watch Before the Next Open

Monolithic Power Systems (MPWR) Stock After Hours Today (Dec. 19, 2025): Truist’s $1,375 Target, Nasdaq-100 Addition, and What to Watch Before the Next Open

Monolithic Power Systems, Inc. ended Friday’s session higher and then held essentially flat in after-hours trading, closing the week on a day when market mechanics—notably the year’s big options expiration—can distort volume and late-day price action. MPWR closed at $937.11, up 0.82% on the day, and was unchanged at $937.11 in after-hours trading as of 6:07 p.m. ET. StockAnalysis
20 December 2025
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Arista Networks Stock (ANET) News Today: Fortinet AI Data Center Partnership, Morgan Stanley Target Cut, and Wall Street’s 2026 Forecasts

Arista Networks Stock (ANET) News Today: Fortinet AI Data Center Partnership, Morgan Stanley Target Cut, and Wall Street’s 2026 Forecasts

December 17, 2025 — Arista Networks, Inc. is back in focus for investors on Wednesday as a mix of AI-infrastructure headlines, analyst updates, and technical commentary reshapes the near-term narrative around one of the market’s most closely watched data-center networking names.
17 December 2025
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Semiconductor Stocks Today (Dec. 12, 2025): Broadcom Slides Premarket on Margin Outlook as Oracle’s AI Capex Shock Keeps Chip Stocks Volatile

Semiconductor Stocks Today (Dec. 12, 2025): Broadcom Slides Premarket on Margin Outlook as Oracle’s AI Capex Shock Keeps Chip Stocks Volatile

Updated for premarket trading at ~6:00 a.m. ET on Friday, December 12, 2025. Semiconductor stocks are heading into the U.S. open with investors balancing two powerful—and competing—forces: continued blockbuster AI infrastructure demand and fresh anxiety that the spending boom is getting too expensive to sustain.
12 December 2025
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“AI Boom” Pushes Monolithic Power (MPWR) Stock to Record High – Is the Rally Just Beginning?

“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.
23 October 2025
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