XBI is trading 3.27% down at $156.58, with broad risk-off trading weighing on biotech valuations.
- The Nasdaq is down 1.00%, while rising crude oil and the 10-year Treasury yield near 4.99% are weighing on growth-oriented biotech valuations.
- Positive biotech developments reported September 22–23 included Amgen’s encouraging clinical update and Boehringer Ingelheim’s potential $1 billion Envisagenics collaboration.
- No XBI-specific negative catalyst was identified.