JPMorgan analyst Doug Anmuth calls Facebook (FB) his best idea for 2018 and raised his price target for the shares to $230 from $225. The social media giant closed Friday up $2.52 to $186.85. The analyst's favorite names for 2018 are Facebook, Priceline (PCLN) and Amazon (AMZN) among large-caps and Twitter (TWTR) and Yelp (YELP) among smid-caps. Facebook continues to show a "rare and impressive" combination of scale, growth and profitability, Anmuth tells investors in a research note. The analyst expects continued strong engagement and highlights the "rapid growth" at Instagram, which he believes could double over time and ultimately approach core Facebook platform scale. He keeps an Overweight rating on the shares.