Wouldn't assume anything really wrong. Last spring I saw the stock nicely increase then go down. I thought something might be wrong then but "boom", there was an awesome announcement and stock jumped 80%.
Sales for cystic fibrosis drug should show increase and the Hep C drug should still have strong sales. 2 years ago this company hardly had revenue and was losing money. Now the company is bringing in about $300M to $400M a quarter.
A $10B market cap company bringing in $1B in revenue a year at least is good. The company had large expansion past year so hopefully has some of that grown better managed.
yeah, nasdaq and dow are up today (not much but up). vrtx is in the 48's again. either earnings are bad or a trial is bad and news leaked. only LLY, SNY, BMY and this junk are red. GILD is rocking. Being down in one thing. Having news leak is another.