Two weeks after President Trump in May unveiled a plan to lower drug prices for Americans, promising "it will start to take effect very soon," the drug company Bayer hiked the list prices of two cancer drugs by more than $1,000 per month. Bayer wasn't alone. A research note by Wells Fargo analyst David Maris found that although fewer drug-price increases occurred in May than in previous months, dozens of increases did occur. (Washington Post by Carolyn Y. Johnson)