@tiger cub:$Roku Inc(ROKU)$1 Growth Stock With 850% Upside, According to Cathie WoodThis streaming pioneer could see its share price soar in the next few years.ARK Invest CEO Cathie Wood has never shied away from bold predictions. In February 2018, she put a $4,000 per-share price target on Tesla stock. That was before the split, but that price target implied a market cap of $720 billion. That prediction turned heads on Wall Street because Tesla was worth just $60 billion at the time. Not many analysts swing for the fences like that.In hindsight, it appears Wood made the right call. Tesla is currently valued at $810 billion, and its market cap actually surpassed $1.2 trillion last year. The relative accuracy of the call has some investors wond