In this video, I will be talking about why Roku (ROKU 0.15%) soared 8% on Thursday, Sept. 15, while the overall market was down. Growth investor Cathie Wood has been buying shares lately, and Roku is one of ARK Invest's largest positions. 

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*Stock prices used were the closing prices of Sept. 15, 2022. The video was published on Sept. 16, 2022.