1.
upturn
/ˈʌptɜːn/ (1) There's been a sharp upturn in sales.
He has won praise from economists, but many Americans haven’t felt the benefits of the upturn.
For the world economy, an American upturn would be a very welcome thing.
We've seen an upturn in property prices.
2.
to turn upside down
Inglese parola "odwrócić coś do góry nogami"(to turn upside down) si verifica in set:
Business English 2016.11-12