What kind of investments are you doing? Are you buying crypto and just holding the coins? If so, I would say that it would be best for you to buy crypto and then transfer the coins to a secure wallet. It's less likely that you will get hacked that way. If you are daily trading, then you need an exchange. Binnance is a good option, but I'm sure coinbase, bittrex and why not poloniex (now that it was bought by circle) are great options as well. From what I know, coinbase even has an insurance for it's users, so you should be ok with them.