Bursting bubbles: Five ways to predict market danger

Markets are unpredictable. Even more so in the current environment of tighter monetary policy and the aftermath of the Brexit vote, when the likes of the Bank of England, European Central Bank, and Japan are keeping interest rates low or supporting their economies with more quantitative easing. AJ Bell investment director Russ Mould looks at five indicators advisers and investors can use to judge whether there are further gains to be made from investments or whether markets are entering bubble territory.   1) The transportation indices "British transportation stocks look to be on ...