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StocksUpdated•Originally published 17 April 2026•Updated 18 April 2026•

1 min read

US Tech and AI Infrastructure Stocks Rally Amid Rising Investor Interest

Key Facts

1KLA Corp (KLAC) stock rose 6.72% driven by semiconductor equipment market growth and a $7 billion share repurchase program.

2Caterpillar (CAT) gained 4.23% due to demand from AI data centers and a record $51.2 billion backlog.

about 2 months ago

Version History

Version 1about 2 months ago

What changed: The story was updated to include new retail investor interest data for Shopify, Palantir, and DraftKings, along with the entry of energy and e-commerce firms into the most-searched stocks list.

US equity markets are experiencing a robust rally led by semiconductors and AI infrastructure, with KLA Corp shares surging 6.72% following a $7 billion share buyback announcement. Caterpillar also gained 4.23% driven by record demand for AI data center infrastructure. Retail investor interest has expanded significantly, with Shopify, Palantir, and DraftKings seeing increased traction according to recent Zacks user data. Additionally, companies like Coupang, Southern Company, and Kinder Morgan have entered the list of most-searched stocks, signaling a broader diversification into e-commerce and energy sectors. Analysts are closely monitoring the sustainability of these gains as liquidity flows into a wider range of high-growth companies. These movements reinforce overall market confidence as digital transformation and infrastructure needs continue to drive investor sentiment.