It is said that litcoin will implement SegWit in 7 hours, that is why the reason that litecoin got pumped today. But there is not a big pump.
it sure is big for litecoin. i think it's gonna take considerably more time than a few hours to implement it. signalling has begun, not adoption.
I think that Litecoin could be like a testnet (or testcoin) for the Bitcoin, i mean if SegWit it's a mess on litecoin probably could not be implemented on BTC