Event planners hope to avoid a 'repeat performance' of last year's problems. [=hope that last year's problems will not happen again this year]
a bicyclist who was disqualified for taking 'performance'-enhancing drugs [=drugs that improve your ability to do something]
How has the company's stock 'performance' been? [=has the value of the company's stock been increasing/decreasing?]
(..) You're many things, Hiccup. But a dragon killer is not one of them. Get back to the house. Make sure he gets there. I have his mess to clean up. Quite the performance. I've never seen anyone mess up that badly. That helped. Thank you, thank you. I was trying. - I really did hit one. - Sure, Hiccup. (..)2010 How to Train Your Dragon