For sure you can invest, and can double your profits in Yobit trading and yobit dice and there is too much other platforms for investing but beware of scams.
try to avoid betting in trading, you should have your own strategy use it to make your daily trades success. or you will lose it all if you are betting not trading..
I don't think new sections can help in this, since there is already enough sections in the forum, we are happy with that, defi section is added early because it was should be added.