Shares of GW Pharmaceuticals (NASDAQ: GWPH) were up 10% as of 2:50 p.m. EDT Thursday after rising as much as 13.6% earlier in the day. The biotech continued to enjoy momentum that started yesterday spurred by Morgan Stanley analyst David Lebowitz's report that the U.S. Drug Enforcement Administration (DEA) plans to reclassify GW's cannabidiol (CBD) drug Epidiolex as a Schedule IV controlled substance.GW Pharmaceuticals won U.S.