They're the two biggest Canadian pot stocks. But is Aurora now the better pick over Canopy? Yes. And no. : No. 2. Runner-up. Second fiddle. All these terms have applied to Aurora Cannabis (NYSE: ACB) over the past couple of years. Even as the Canadian marijuana producer made one acquisition after another to fuel growth, it seemed to still always trail behind one other company. That company, of course, is Canopy Growth (NYSE: CGC). But Aurora has stepped into the limelight more than ever in 2019.