Market is down day by day due to some bad events.I have read in one article in Quora Digest that why prices are falling and market is too much saturated.
1.Mt. Gox sold some huge amount of bitcoin due to which prices are falling.
2.S Korea big crypto exchange Upbit investigated by authorities and police after which prices are down.
3.It may be policy of Big Whales to sell tremendous amount of BTC and when prices fell down to low level buy back them at low cost and sell them at higher cost.