ENTA is up strongly today (IMO) because the Harvoni 8-week labeling is slightly more restrictive than some investors probably thought. The larger the proportion of Harvoni patients who take the drug for 12 weeks rather than 8 weeks, the more competitive ABBV/ENTA’s 3-DAA regimen will be on price, leading to a higher market share for ABBV/ENTA and larger royalties for ENTA.
“The efficient-market hypothesis may be the foremost piece of B.S. ever promulgated in any area of human knowledge!”
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