Allegro MicroSystems and Monolithic Power Systems Shares Skyrocket, What You Need To Know

Barchart·04/24/2026 13:26:51

What Happened?

A number of stocks jumped in the afternoon session after strong earnings results from industry leader Intel and positive industry-wide forecasts boosted the broader semiconductor sector. 

Investors were particularly encouraged by a 22% growth in Intel's data center business, suggesting that the AI-driven demand for hardware is finally translating into a significant recovery for central processing units (CPUs) and advanced packaging services. The rally quickly spread across the broader semiconductor sector, lifting peers like AMD, Qualcomm, and ARM by over 10%. This industry-wide lift reflected a growing market consensus that the "AI trade" was broadening beyond Nvidia's specialized graphics chips to the wider silicon ecosystem. 

Adding to the positive sentiment, research firm Omdia significantly raised its semiconductor revenue forecast for 2026, citing a surge in demand for memory and data storage components driven by artificial intelligence.

The stock market overreacts to news, and big price drops can present good opportunities to buy high-quality stocks.

Among others, the following stocks were impacted:

• Processors and Graphics Chips company Allegro MicroSystems (NASDAQ:ALGM) jumped 2.5%. Is now the time to buy Allegro MicroSystems? Access our full analysis report here, it’s free.
• Analog Semiconductors company Monolithic Power Systems (NASDAQ:MPWR) jumped 4.3%. Is now the time to buy Monolithic Power Systems? Access our full analysis report here, it’s free.

Zooming In On Monolithic Power Systems (MPWR)

Monolithic Power Systems’s shares are very volatile and have had 21 moves greater than 5% over the last year. In that context, today’s move indicates the market considers this news meaningful but not something that would fundamentally change its perception of the business.

The previous big move we wrote about was 7 days ago when the stock gained 4.3% on the news that the US-Iran ceasefire eased fears of a major disruption to global tech supply chains. 

Semiconductors are the backbone of the modern economy, and any threat to global shipping lanes like the Strait of Hormuz creates immediate "scarcity premiums." With the strait reopened, the logistical path for raw materials and finished chips becomes far more predictable and cost-effective. The rally was also fueled by the continued "AI revolution," which remains a primary growth driver regardless of oil price swings. 

However, the cooling of energy-driven inflation provides a more favorable backdrop for the massive capital expenditures required to build new fabrication plants. As the "geopolitical discount" evaporates, chipmakers are seeing strong buy-side interest across both the logic and memory markets.

Monolithic Power Systems is up 75.8% since the beginning of the year, and at $1,646 per share, has set a new 52-week high. Investors who bought $1,000 worth of Monolithic Power Systems’s shares 5 years ago would now be looking at an investment worth $4,225.

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