Billionaire Ken Griffin’s hedge funds at Citadel are all in the green for 2025

Billionaire Ken Griffin’s hedge funds at Citadel are all in the green for 2025

Citadel CEO Ken Griffin speaks during the Semafor World Economy Summit 2025 at Conrad Washington on April 23, 2025 in Washington, DC. Kayla Bartkowski | Getty Images Billionaire investor Ken Griffin’s hedge funds at Citadel have all posted positive returns during a volatile 2025, led by the tactical trading fund. Citadel’s multistrategy Wellington fund, its largest, gained…

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Climate threat to U.S. infrastructure is accelerating

Climate threat to U.S. infrastructure is accelerating

U.S. infrastructure is barely getting a passing grade, and one of the fastest growing problems is climate change. Airports are flooding, bridges are melting from extreme heat, and telecommunications are getting slammed by increasingly extreme weather. In 2023, at Fort Lauderdale/Hollywood International Airport, historic rainfall turned runways into rivers, shutting down operations and stranding passengers….

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TSLA, TNDM, GEV, HAS and more

TSLA, TNDM, GEV, HAS and more

Check out the companies making the biggest moves midday: Diabetes tech stocks — The Centers for Medicare & Medicaid Services is proposing a rule change that could change the reimbursement rates for continuous glucose monitors and insulin pumps. The news sent shares of diabetes tech stocks lower. Tandem Diabetes Care and Beta Bionics tumbled 4%…

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Cliff Asness’ AQR sees multiple hedge funds up double digits in 2025, beating the market

Cliff Asness’ AQR sees multiple hedge funds up double digits in 2025, beating the market

Cliff Asness. Chris Goodney | Bloomberg | Getty Images AQR Capital Management took advantage of a volatile first half of 2025, with a duo of hedge funds doubling the S&P 500’s return. The Apex strategy from Cliff Asness’ firm, which combines stocks, macro and arbitrage trades and has $4.3 billion in assets under management, rallied 11.4%…

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