What Happened?

Shares of fiber laser manufacturer IPG Photonics (NASDAQ: IPGP) jumped 7.8% in the afternoon session after the VanEck Semiconductor ETF jumped nearly 5% in response to the de-escalation of the U.S.-Iran conflict. 

The sector rallied specifically because semiconductors were highly vulnerable to the supply chain disruptions that occurred during the war. The reopening of the Strait of Hormuz is a critical victory for the industry, as the waterway is essential for the transit of noble gases and materials used in chip fabrication.

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What Is The Market Telling Us

IPG Photonics’s shares are very volatile and have had 23 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 9 days ago when the stock dropped 6.7% on the news that rising geopolitical tensions from the Iran war, threatened to disrupt critical supply chains. 

The conflict raised alarms beyond oil prices, with a significant risk looming over the supply of essential gases, such as helium, which are vital for semiconductor manufacturing. Major chip fabricators, including Taiwan Semiconductor Manufacturing Company, Samsung Electronics, and SK hynix, were projected to face significant production challenges in the event of a supply constraint. Such disruptions would create cascading effects across the tech industry, impacting the production of everything from Apple's iPhones to Nvidia's advanced AI servers. The uncertainty has contributed to a broader market downturn, pushing the Nasdaq into a correction.

IPG Photonics is up 62.5% since the beginning of the year, but at $121.58 per share, it is still trading 21% below its 52-week high of $153.91 from February 2026. Despite the year-to-date gain, investors who bought $1,000 worth of IPG Photonics’s shares 5 years ago would now be looking at only $525.94.

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