Materials, Tech Stocks Rise; Utilities Fall

Nov. 23 (Bloomberg) -- Adam Johnson reviews today's performance of U.S. stocks. He speaks on Bloomberg Television's "Lunch Money." (Source: Bloomberg)
Sam Altman: Some Late-Stage Startups Are Overpriced
51:28 - Sam Altman, Y Combinator's president and co-founder, discusses the future of tech with Bloomberg's Emily Chang and Brad Stone at the VF New Establishment Summit in San Francisco. (Source: Bloomberg)
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