These men need to invest in better office facilities; the ventilation is where they are is wonderful, but it's never going to pass a Health and Safety examination. We're not sure we'd want to be cooped up on a window ledge with people who look that glum, either.
The key to decoding this image comes from the headline of the paper: "Börse", meaning "stock market". The "stake" in the title makes more sense then, too. The image encourages us to be sympathetic towards people who we normally aren't - stock brokers. We like to think of them as greedy, rich and ruthless, when in fact they're as human as the rest of us, and they're constantly one poor decision away from complete disaster. As the image points out, they live their life on the very edge. One step in the wrong direction and it's all over.