Aehr Test Systems stock surged 16.2% following Vicor's unexpected raise in second-quarter revenue guidance. Vicor's strength in AI infrastructure power systems signals accelerating demand for data center solutions, which benefits Aehr's wafer-level burn-in test equipment business. Aehr recently received a $41 million order from a hyperscaler customer, bringing total orders to over $92 million for the second half of fiscal 2026, exceeding previous guidance.

Vicor Corporation reported Q1 2026 revenues of $113.0 million, up 20.2% year-over-year, with gross margins expanding to 55.2%. The company achieved net income of $20.7 million ($0.44 per diluted share) and saw backlog surge 70% sequentially to $301 million, driven by demand in high-performance computing and aerospace/defense sectors. The company is expanding manufacturing capacity with additional equipment and planning a second fab.

Vicor's stock has surged over 200% quarter-to-quarter, prompting insider selling by CEO Patrizio Vinciarelli and other executives for profit-taking. However, institutional investors are accumulating shares at a 4:1 buy-to-sell ratio in Q1 2026, supported by strong demand for power control products in AI and data centers. The stock trades at 70X earnings but analysts maintain a consensus Buy rating with bullish long-term growth prospects tied to capacity expansion and AI market tailwinds.

The Supreme Court ruled 6-3 that President Trump's sweeping global tariffs were unconstitutional, finding that the International Emergency Economic Powers Act does not authorize the president to impose tariffs without clear congressional authorization. The decision triggered a sharp rally across U.S. equities, with 10 stocks posting significant gains following the ruling that invalidates tariffs that had reached up to 145% on some products.

Ashford Capital Management increased its stake in Vicor by 128,664 shares worth $10.94 million in Q4 2025, bringing its total position to $38.78 million (4.32% of assets). The investment comes as Vicor stock has surged 213% over the past year, driven by strong Q3 results showing 18.5% revenue growth and 57.5% gross margins. The fund's confidence suggests belief in structural demand for Vicor's high-performance power conversion technology in AI and data center infrastructure.

Vicor's Corporate Vice President Claudio Tuozzolo exercised 20,145 stock options and sold shares worth $1.8 million following the company's strong Q3 earnings, driven by AI infrastructure demand.

Vicor Corporation has successfully leveraged its intellectual property in high-density power systems, securing a Limited Exclusion Order against infringing power module manufacturers and generating nearly $300 million in expected licensing revenues through 2026.

Vicor Corporation will hold its Q3 2025 earnings conference call on October 21, 2025 at 5:00 p.m. Eastern, where executives will discuss financial and operational results for the quarter.

Several mid-cap stocks, including Pony AI, Celsius Holdings, and WeRide, saw significant gains last week. The article highlights the key reasons behind the stock movements.

Vicor, a power-module specialist, reported strong Q4 results, beating Wall Street expectations. The company expects to continue making progress towards its goal of reaching $1 billion in annual revenue and a 65% gross margin.

Vicor Corporation announced that the International Trade Commission (ITC) issued a final determination confirming the validity and infringement of its patents. The ITC issued exclusion and cease and desist orders against several respondents, though it found that two Foxconn affiliates have a license to one of Vicor's patents, which Vicor plans to appeal.

Johnson Fistel, LLP is investigating potential claims against the officers and directors of Snowflake, Vicor Corporation, Blue Ridge Bankshares, and Amplitude due to alleged misconduct and misleading statements that have negatively impacted these companies.