We really cannot tell when your mentioned coins will start to rise back. Perhaps what is much needed at this stage is a big news of a new partnership or a big accomplishment or a new breakthrough feature that might encourage people to start investing in their coins. But of course, we cannot fully blame the specific altcoins of their prices' drop as of today. The whole crypto market is still on the process of gaining the right footing for them to begin rising back. Let us just believe in them, have patience, and hodl.