[mbreese]

Those stocks are all going to be correlated though. If one thinks LLY is going to drop because of insulin costs, it makes a ton of sense that other pharma companies would also drop at the same time.

You’re conflating correlation with an unknown externality.

Instead, we have a very public (fake) event that would have been major news if it were true.

It would be quite the coincidence if LLY stock started to drop due to an external report at the exact same time as a fake report of Lilly making insulin free. If that were to happen, of course other pharma companies stocks would also start shifting, either through automated trading or in response to a big market move from Lilly (which was false).

I see more than enough evidence to think that the entire shift was due to the fake Tweet. At the very least, that’s a reasonable conclusion.

We’ll never know for sure, because now with more scrutiny/publicity on the insulin market, that alone could keep pushing LLY stock down.

The only thing for certain is that this is bad news for the new Twitter.