When it comes to the high-flying healthcare sector, there aren't many bargains to be had. President Trump's recent change of heart regarding the possibility of hard caps on high-priced prescription drugs, after all, sparked a widespread rally that's caused valuations to balloon over the past month or so. Valeant Pharmaceuticals International (NYSE: VRX) and Gilead Sciences (NASDAQ: GILD), however, are two high-profile names that are still arguably "cheap" -- at least based on their rock-bottom price-to-sales ratios of 0.63 and 3.22, respectively.