Closed out my Oil, and increased SP500 short

Trade posts from Thursday:

 

Bought back my Oil short for just over $1, about £575 profit. Clearly took it too early, as Oil is off about $2.50 in today's trading. Dammit, another example of me taking profits too early. I need to think about this.

 

And added to my SP500 short in £100/point. Still (think) I believe that their are major risks to the US economy, and want to have a decent size position in it. Plus I'm so out of the money on my original short from the middle of last year I could do with averaging in...