The Guardian's share tips for 2018

Global stock markets hitting record high bodes well for investors as we present our top picks for the year – and hits and misses from 2017Bitcoin was the name on investors’ lips by the end of 2017, the cryptocurrency soaring 14-fold in 12 months of volatile trading.But it was also a good year for traditional investments, with US and European markets hitting new highs. Further signs of improvement in the global economy proved a positive factor, while Wall Street was boosted by Donald