In this time market is very good for buy with usd/usdt, total marketcap right now is 190bil so if you can buy ETH,NEO,ADA will be very good I think...
ETH can be safely removed from your list. In this cryptocurrency there is no future, with each month ETH all weak.
Yes, indeed, ETH falls in price faster than other popular cryptocurrencies. I think investors are getting rid of ETH.