It has been tough to generate alpha in the US over the past few years, but investors allocating exclusively to an index tracker raises potential issues too, argues Richard Wilson, Co-Manager of the Polar Capital North American Fund.

Richard takes a balanced look at the US equity market and how investors can best gain exposure to America’s greatest strength – it’s entrepreneurial, pro-innovation, pro-growth business culture – by focusing on companies from across the market-cap spectrum, where the team are finding more attractively valued opportunities than in a relatively small clutch of mega-cap companies that have come to dominate the investment narrative.