Litecoin is acclaimed as first coin to apply Segwit and this addition made a sudden surge in coin price. It is not exaggeration to list LTC as one of the top 4 cryptocurrencies at the moment.
Yes, there is possibility Litecoin could reach that high in year or so but most important thing is interest of investors. Many new promising coins entered top 20 at coinmarketcap recently and maybe possible that investors move to these coins than retro ones.