Hedge funder turned journalist Robert Armstrong offers a beginner’s guide, from ‘Wall Street’ to ‘Industry’. "The latest effort to balance entertainment and verisimilitude against the background of high finance is HBO’s Industry. Written by two industry refugees, it focuses on four young trainees in the London office of a prestigious investment bank. Asked to assess the accuracy of the results, my watching soon turned into a massive, time-travelling binge, as I flicked between Industry and the genre classics that went before it." In the Financial Times, Armstrong analyses.