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?]
(..) for my confirmation. I'm struck by the ill-spirited tenor of your report: Degrading remarks by other aviators, innuendo about her performance in unrelated situations. There's even a reference here to her sexual activity the weekend prior. These are not unrelated circumstances. (..)1997 G.I. Jane