In response to the president's pleas, Pfizer on Tuesday (July 10) temporarily backed off plans to hike drug prices for dozens of drugs. Separately, an HHS official said Tuesday the administration might use the threat of new regulations to get drug companies to undo recent price hikes. Pfizer pledged to not raise drug prices until the president's plan to cut drug costs takes effect or the end of 2018. A July 2 report from Wells Fargo found that Pfizer increased...