Currently there are no treatments for coronavirus. These things take time. Anything going into humans has to be explicitly tested in Phase 2/3 clinical trials specifically for coronavirus. You can't extrapolate and say "hey this works for something else and is safe, let's just start using it" and make humans guinea pigs...
Just like we are doing here at Algernon, everyone must test there drug first. That's why we are at the frontline, being acknowledged in news articles.
Mylan (NASDAQ:MYL) has restarted production of its hydroxychloroquine sulfate tablets at its West Virginia manufacturing facility as a potential treatment for COVID-19, the disease caused by the new coronavirus.
There is zero direct connection between the treatment being touted by POTUS and biotech/pharma stocks in general. I believe what the market is "optimistic" about is there's room for more than one drug treatment. Those are the bets being placed in the market - daily. But if you want to load up on some Mylan (MYL) or Bayer (BAYRY)