Why Is VICOR CORP (VICR) Stock Up Today?

Vicor Corp (NASDAQ: VICR) surged 13.32% to $201.77 in early trading on September 11, 2026, driven by the announcement that the company is acquiring two sites in New Hampshire for new chip fabrication facilities. The move reflects a strategic expansion to boost capacity for its power modules, which are critical to the AI and industrial sectors. The stock opened at $181.00 and climbed steadily, reaching an intraday high of $202.18 before settling near $200.50 in late trading.

What Happened

Vicor announced it is purchasing a 334,000 square foot building on 66 acres in Merrimack, New Hampshire, and 54 acres in Hooksett, New Hampshire. These sites will support the construction of two new fabrication facilities for its ChiP (Chip Power) technology, which is used in high-performance computing and AI applications. The company also filed an 8-K on September 10, 2026, disclosing amendments to its bylaws to clarify director removal procedures. Separately, Vicor updated its revenue guidance during a conference call, expecting Q3 revenue to rise nearly 10% year-over-year and full-year revenue to exceed $600 million.

What The Data Shows

The stock opened with a 1.7% gap up from the prior close of $178.05 and traded at a volume of 0.2 million shares, which is 0.3 times the 3-month average. Over the past eight sessions, the stock has gained 10.7%, rising from $178.82 to $197.98. The 52-week range is $47.56 to $382.65, and the stock printed one fresh 52-week low and 34 fresh 52-week highs on September 11. Insider transactions over the last 90 days include 30 sells totaling $105.6 million, with no buys reported.

What To Watch

Vicor’s Q3 earnings report and any further updates on the construction of the new facilities will be key to monitor. The company’s recent guidance and capital expansion suggest continued momentum in its AI-focused growth strategy.