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semiconductors

Business ·
Breakthrough Energy Backs 21 Startups in Sixth Fellows Cohort

Breakthrough Energy's sixth Fellows cohort funds 21 startups spanning fusion, semiconductors, ammonia hydrogen and climate adaptation.

Engineer inspecting a semiconductor wafer in a clean energy research laboratory
Stocks ·
S&P 500 Climbs 1.49% as Crude Plunges and Chips Surge

US equity indexes closed sharply higher on Monday, September 21, 2026, led by a semiconductor rally and a steep drop in crude oil that pulled bond yi…

Trader at a Wall Street desk watching green stock charts at the market close
Business ·
Early Cerebras backer Adit Singh joins Mayfield as infrastructure partner

Adit Singh, early Cerebras investor, joins Mayfield as infrastructure partner to lead hardware and AI investments.

Adit Singh presenting at a venture capital meeting, with a semiconductor chip diagram on screen