This is normal, the price is adjusted, plus some users start selling their assets because they are afraid that the whole market is falling.
The functional of the marketplace has been launched. It is possible to buy goods using EDC. I expect that the fall of price of EDC will stop.
The trading platform will first of all make this coin interesting for investment. Very few projects can offer to buy real goods for your coin. And where can I see all the goods that can be purchased?