Toronto StarAurora Cannabis is becoming the Berkshire Hathaway of potMarketWatchMarijuana producer holds roughly C$700 million in cannabis investments, and gains are padding profits. Bloomberg News/Landov. An employee tends to marijuana plants at the Aurora Cannabis Inc. facility in Edmonton, Alberta, Canada. By ...Aurora Cannabis: Wow! That Was An Impressive QuarterSeeking AlphaAurora Cannabis Gets High on Its Own StashWall Street Journalapp's "Top 100" list.