Biotech indexes fall

Biotech shares dropped sharply to start the second quarter as the broader market fell following renewed jitters over a U.S.-China trade war and increased scrutiny of tech companies in Washington. The NYSE Arca Biotechnology Index (BTK) lost about 5% while the NASDAQ Biotechnology Index (NBI) and BioCentury 100 each lost about 4%. Decliners led advancers 95-5 on the BioCentury 100...