In the latest market close, Duke Energy (DUK) reached $108.23, with a +1.33% movement compared to the previous day. The stock outpaced the S&P 500's daily gain of 0.16%. At the same time, the Dow added 0.25%, and the tech-heavy Nasdaq lost 0.06%.Heading into today, shares of the electric utility had lost 3.87% over the past month, outpacing the Utilities sector's loss of 6.81% and lagging the S&P 500's loss of 2.8% in that time.The investment community will be paying close attention to the earnings performa ...