In this Wednesday, Oct. 11, 2017, file photograph, a marijuana plant is shown as it is grown at the Colorado Harvest Company in Denver. A new report released Thursday, Aug. 2, 2018, by the state of Colorado suggests that the state’s approach to overseeing marijuana for medical or adult use is working for customers and the industry. (AP Photo/David Zalubowski, File)
PORTLAND, Ore. — Two of the first states to broadly legalize marijuana took different approaches to regulation that left Oregon with a vast oversupply and Colorado with a well-balanced market. But in both states prices for bud have plummeted.