What!?! Specialty drug spending jumps 31% By: CNBC.com News March 10, 2015 at 00:01 AM EDT Spending on prescription drugs in the U.S. rose 13.1% in 2014, the biggest increase in more than a decade, according a report from Express Scripts. Read More >> Related Stocks: AbbVie Amgen CVS Health Corp Express Scripts Holding Gilead Sciences Regeneron Pharmaceuticals Sanofi-Aventis S.A. ADR