The stock prices of massive pharmaceutical companies tumbled because

[Uncle Joe]

we are pushing to make health care a human right for every American

Link to tweet

[George II]

1. That's not a very accurate article, the details contradict the strained premise. For example....

...they mention Johnson and Johnson and Pfizer.

Johnson and Johnson is up about 15 points (12%) since the beginning of the year and is at it's 2019 high.
Pfizer is down a bit this year, but only 4 points on the year.

So, one is way up, the other is down moderately - these aren't "massive" tumbles.

[Uncle Joe]

2. The OP refers to this past week, not the year.

Medicare for All is dragging down health-care stocks and there could be more pain ahead

(snip)

Democratic presidential candidates Bernie Sanders, Elizabeth Warren and Kamala Harris have voiced support for Medicare for All legislation that would provide universal health coverage, while President Donald Trump has pledged to address health care after the 2020 presidential election.

There are several Medicare for All proposals circulating in Congress, some of which would basically abolish private insurance while others would simply create a public option and leave private plans largely in place. Still, the industry is worried. On Tuesday, UnitedHealth CEO David Wichmann said Medicare for All would “destabilize the nation’s health system.”

(snip)


https://www.cnbc.com/2019/04/20/health-care-suffers-worst-week-of-2019-and-technician-sees-more-pain.html