The price may go up because of it. I personally hope that the coin goes down in value so I could purchase a bunch of it.
Yes, litecoin price is increasing trend up today and it will be more going up because of the activation of segwit on litecoin will happen, it is good news and innovations for litecoin.
You don't hope that the litecoin's price goes down, usually there is time to correction of price and you can buy litecoin on there, that is good time to buy litecoin because litecoin's price will goes down little.