Binary events do not belong in a concentrated position
The index traded at 206.55, -1.99% on the session. Biotech is the one sector where position sizing matters more than being right.
Free 4 min read
IBBVRTX
Stock
VRTX
VRTX
Delayed
Notes mentioning VRTX
2A launch into a disease you already own starts halfway up the curve
The adoption measures I track for launches into an existing franchise.
Paid 2 min read