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U.S. biotech stocks may fall further as short interest rises

Short interest has risen in a number of biotech names perceived as vulnerable to a selloff after a rally that has sent the Nasdaq Biotechnology Index <.NBI> up 42 percent over the last year even after this week’s declines.Overall, a screen of about 1,650 mid-cap U.S. companies shows biotech stocks, on average, have a short interest ratio of about 11.6 […]