The emergence of new altcoin will certainly change the old altcoin market conditions. The more altcoins that appear, the more choices for investors and traders, especially if the growth of investors cannot keep up with the growth of new altcoins. old altcoin will be excluded if it does not develop.
Yes you're right.
New projects will Replacing to old altcoins for short time..that is a risk for invest on new project like CLYMORE CLM that the price has down...
Just try to choice legit project as cca or .other project