Shares of streaming TV leader Roku (NASDAQ: ROKU) are winning the ratings wars today -- at least among investors -- and you can thank Ark Invest CEO Cathie Wood for that. As revealed on the Ark funds website late last night, the growth investing icon spent nearly $47 million snapping up more than 584,500 shares of Roku yesterday. Today, despite two other Wall Street analysts cutting their price targets on Roku (according to The Fly), the stock is on a tear -- up 6.5% as of 10:40 a.m. ET. Read More...

Shares of streaming TV leader Roku (NASDAQ: ROKU) are winning the ratings wars today — at least among investors — and you can thank Ark Invest CEO Cathie Wood for that. As revealed on the Ark funds website late last night, the growth investing icon spent nearly $47 million snapping up more than 584,500 shares of Roku yesterday. Today, despite two other Wall Street analysts cutting their price targets on Roku (according to The Fly), the stock is on a tear — up 6.5% as of 10:40 a.m. ET.