For many, it was a period of financial turmoil as banks failed, stock markets tumbled and millions lost their jobs. However, billionaire Warren Buffett kept on doing what he does best and began investing in a handful of blue-chip companies during the financial crisis. Five years on and the value of those deals are clear for all to see, America’s second-richest man earning another $10 billion thanks to his choice investments. … The fall of 2008, when the market was shaky and confidence was low, a number of stocks of companies that had decent reputations were at record lows, including...