More economic growth for the Commonwealth. Eli Lilly is planning to build a multi-billion-dollar manufacturing plant in Lehigh Valley, Pennsylvania. It will be the fourth facility in a string of new planned U.S. investments by the Indiana-based pharmaceutical giant over the last year. According to Eli Lilly, the plant will help make its next-generation obesity drugs, including a drug that has shown the highest weight loss of any treatment seen to date in a late-stage trial. Construction of the Pennsylvania plant is set to start this year, and the site is expected to be operational in 2031…