There are a lot of companies calling me at least every 2 days to ask me if i am into trading and if not why not and why i don't and so on..
Is there any kind of entertainment if doing online investments or trading?
Enlighten me!
I think someone used your email or your phone number to register at some exchange. so there was a caller and often bothered you.
If you want to invest, you can go to the crypto market and there are many good exchange waiting for you, such as Binance, Okex, Huobi, ...