Ghost will join the company's energy drink line-up. While its Dr Pepper soda brand has been taking market share, Keurig Dr Pepper (KDP 0.34%) stock nonetheless fell following its third-quarter results as weakness in its coffee segment continued. Meanwhile, the company announced a big acquisition in the energy drink space. With the stock trading lower, let's take a closer look at its most recent results and acquisition to see if now is a good time to buy. A tale of two segments Keurig Dr Pepper's refreshment ...