Despite of the risk, insvesting at this moment would be really a huge advantage once bullrun occur. Let's say you have invested at this point and the market value suddenly increased for 60% , just imagine how huge the profit will be. So if you are planning to do so, make sure that you will have a scientific guess on which one would be able to recover this continuous downtrend. But if you are not into betting on risks, just hold to be safe.