U.S. stock indices hit new highs, but declining stocks far outnumber gainers? Goldman Sachs: Momentum is crowded, a reversal could trigger a sharp pullback.
S&P 500 Index repeatedly hits record highs, but this cannot hide deep fractures within the market—the number of declining stocks far exceeds rising stocks even as the index climbs. Goldman Sachs chief U.S. equity strategist Ben Snider's team warns in their latest report that