I am leaving .5btc in my trading account and moving .4btc back into my cold storage, i am up to 35 coins now. had 10 of them 2 years ago. I have made 350% increase in my quantiy and the value has gone up about 200%.
Stick to sound money management and you can buy these leveraged moves and make quiet a bit --- just dont risk more than 5% of your stash on anything 10x leveraged or more or you can lose all of your money real quick. Be quick and aggressive.