Visitors view the Medtronic booth at the 3rd China International Supply Chain Promotion Expo in Beijing, China, on July 20, 2025. (Photo by Costfoto/NurPhoto via Getty Images) NurPhoto via Getty Images Medtronic (NYSE:MDT) will report earnings on Tuesday, August 19, 2025. Over the last five years, the stock's next-day move following results has been highly unpredictable: it posted a positive one-day return in 50% of instances (median gain of 2.5%) and a negative one-day return in the other 50% (median loss ...