Despite witnessing higher costs and expenses as well as lower contributions from its New Equipment unit, Otis Worldwide Corporation (OTIS) is generating higher profits and margin expansion. The company is benefiting from solid contributions from its Services segment. Also, this leading elevator and escalator manufacturing company is mainly focusing on innovation and restructuring strategies, as well as increasing investments in research and development ("R&D"). In the past month, OTIS' stock gained 2.5%, ou ...