Markets suffered a heavy selloff, with the Nasdaq leading the charge on its heaviest one-day fall since late 2011. Tech stocks and biotechs were dumped while defensive assets such as gold were favored. Traders said such heavy falls paved the way for a heavier selloff, with many stocks having already undergone a technical correction. An improvement in labor market data did little to moderate the negative tone while earnings season heats up. Jane Searle spoke to Mark Newton at the NYSE.
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