WASHINGTON: The US Justice Department on Tuesday (Apr 30) moved to make marijuana use a less serious federal crime, taking a step to reclassify the drug out of a category that includes heroin in a shift that, once completed, would shake up cannabis policy nationwide. Shares of cannabis firms surged following the news. Stocks of pot companies such as Tilray, Trulieve Cannabis Corp, Green thumb Industries were up over 20 per cent in late afternoon trading. The Department of Justice, which