Now may be the time to invest in drug companies, as they just slipped the tariff noose.Pharmaceutical stocks are having a moment. The S&P 500 Pharmaceuticals Index recently rose 11% during five trading days, its best weekly gain since 2022.That sent the VanEck Pharmaceutical ETF (PPH -1.41%) up about 9% during the past two weeks (before Oct. 10's market plunge). This exchange-traded fund tracks the MVIS US Listed Pharmaceutical 25 Index, which measures the performance of the 25 largest and most liquid U.S.- ...