Cannabis stocks jumped on Friday as the White House prepared to significantly ease federal restrictions on marijuana. President Donald Trump is expected to issue an executive order as soon as Monday that would allow for reclassification of weed, a source familiar with the matter told CNBC. Such a move would allow cannabis companies to fall under different tax regulations and encourage investment.Cannabis stocks took a leg up in Friday’s midday trading following CNBC’s report. The Washington Post first reported on Thursday that Trump was expected to use an executive order to instruct federal agencies to reclassify marijuana as a less...