If the EU can fine Apple and Google, the US should be able to fine Novo.
If your point is the price then the US could go after every single US medicine company.
So what did you mean by that?
EU created anti trust laws that makes fining Apple and Google possible.
EU laws prioritize people over corporations.
So EU corps selling in the US can bleed their customers dry, just like the local US corps.
And US corps operating in the EU are restricted in the people's interest, just like the local EU corps.
This is the just application of the respective laws as they stand.
This is the outcome the respective populations voted for.
Although the rest of the world does wonder what the US voters were thinking ...