In my opinion the most important thing in cryptocurrency exchange this attention to traders. The lack of attention to users will lead to a drop in turnover and decrease in total income, as has happened on many cryptomeria where constantly hanging out transfers and tech support has not responded in weeks users.
Need to buy coins that are traded on huobi . The last time there pump very often see many coins. Although is actually important to pay attention to the events in the road map and the behavior of the graph of a particular coin.