Cathie Wood was a busy buyer on Tuesday. The CEO, co-founder, and widely followed stock picker for the Ark Invest family of exchange-traded funds (ETFs) added to six of her existing positions. She sold some shares in other stocks, but adding to a half-dozen names hasn't happened a lot for Wood lately.

Wood publishes her transactions at the end of every trading day, so we know what is moving up or down in the Ark Invest funds. What is she adding to her portfolios lately? Wood increased her stakes in The Trade Desk (NASDAQ: TTD), Spotify (NYSE: SPOT), and Archer Aviation (NYSE: ACHR) on Tuesday. Let's take a closer look at these three purchases.

Wood bought shares of The Trade Desk on Tuesday, and the timing was solid. William Blair initiated coverage of The Trade Desk on Wednesday morning, encouraged by the opportunity for the leader in programmatic advertising to cash in on the migration by marketers to digital solutions.

Continue reading

Source Fool.com