Why are you looking for exchanges, buddy? It seems you got some air-droppedd merits, which means you are here for awhile, but didn't you read any threads where authors warned readers that you should not keep your money on online accounts? Theymos has wrote a thread with this title. Yet you are searching for an exchange to invest.
If you don't trade peer to peer, in person face to face, you will need an exchange to buy and sell Bitcoin. Nothing wrong if you need an exchange for your buying and selling.
The wrong is if you need an exchange to store your bitcoin there, long or longer than you need. Because storing bitcoin on exchanges means you can lose your coins anytime.
If you afford to lose your bitcoin anytime, go next with exchange account as your bitcoin wallet. I don't recommend it and many expert neither advise to do it like
here,
there.