Cathie Wood buys $56 million worth of Zoom Video on the dip, adds some Robinhood too

Cathie Wood, chief executive officer and chief investment officer of ARK Investment Management LLC, speaks during the Sooner Than You Think conference in the Brooklyn borough of New York on Tuesday, Oct. 16, 2018.
Alex Flynn | Bloomberg | Getty Images

Tech investor Cathie Wood on Tuesday doubled down on her belief in Zoom Video, scooping up nearly 200,000 shares as the stock tumbled.