Why did the AGL share price outperform the ASX 200 today?

The S&P/ASX 200 Index (ASX: XJO) had a pretty poor day on Thursday, closing 0.28% down to 7,384.50. But one ASX 200 share left the index in the dust. That was none other than AGL Energy Limited (ASX: AGL).

Yes, AGL shares went up by a very healthy 4.66% on Thursday…