i dont have trading strategy,its why last week i loss when trade etherum 
maybe i lost the point that when i'm try to trade altcoins i must looking for information about the price,but last week i didn't do that.
Yes before doing trading we must know about market. what price is going on in market and what price we have to buy means we will make profit everthing then we start trading means we will make some profit here but in altcoin we may expect huge profit as well as big loss also so before doing trading think and do. maybe i lost the point that when i'm try to trade altcoins i must looking for information about the price,but last week i didn't do that.