$IBB The biotechnology ETF spreads the risk across a broad group of drug developers, so its chart reflects both sector appetite and the market's tolerance for c

$IBB The biotechnology ETF spreads the risk across a broad group of drug developers, so its chart reflects both sector appetite and the market's tolerance for clinical uncertainty. The latest available quote was $206.60 at Sep 23, 8:15 PM ET; the refreshed chart and indicators use the Sep 23 regula…