Southern Co. (SO) closed the latest trading day at $81.40, indicating a +0.11% change from the previous session's end. The stock outpaced the S&P 500's daily loss of 0.71%. Meanwhile, the Dow lost 0.93%, and the Nasdaq, a tech-heavy index, lost 0.81%.Prior to today's trading, shares of the power company had gained 3.09% over the past month. This has outpaced the Utilities sector's gain of 0.58% and the S&P 500's gain of 1.08% in that time.Market participants will be closely following the financial results o ...