The recent surge in prices hasn't deterred Warren Buffett from buying shares. Despite the US inflation rate hitting a 40-year high and stock markets falling sharply this year, the venerable chairman and CEO of Berkshire Hathaway ploughed more than $40bn into equities. As food, fuel and energy prices have rocketed since Russia invaded Ukraine in February, the markets have been shaken, obliging fund managers to adjust their trading strategies.
