There were worst days for crypto. BTC dominate the market and alt coins cannot do anything alone at current market conditions.
After long bear market we saw some green days after Q1 to end of Q2..
And last 2-3 months we are living in a bloody market. By the way red market give good opportunities for traders. And also good opportunities for investors who focus on top ranked coins.
We do not have the so-called bad days for cryptocurrency. Until you decide to sell your altcoins and BTC, everything is good. Crypto is new, and it will be used in the future for sure. Thus, simply hold it in your wallet when its price is down. Take it as a reserve long-time investment and wait for the moment, when we all will see the flourishment of the market and the Moonrise of your altcoins and Bitcoin.