Palantir jumps 15% on big bet from Cathie Wood's Ark Invest. A review of what she bought and sold this week

A pedestrian passes a banner displaying Palantir Technologies signage during the company's initial public offering (IPO) in front of the New York Stock Exchange (NYSE), Sept. 30, 2020.
Michael Nagle | Bloomberg | Getty Images

Ark Invest's Cathie Wood, one of the hottest investors right now, upped her bets on Palantir this week and the stock is surging on her vote of confidence.

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