In a significant move on Monday, Cathie Wood-led Ark Invest made headlines with its substantial investment in Pinterest Inc (NYSE:PINS), purchasing over $23 million worth of shares. This bold decision comes amidst Pinterest’s recent Q4 earnings report, which presented a mixed financial picture but showed promising user growth. The Pinterest Trade Ark purchased 653,913 shares of Pinterest on Monday. The transaction was valued at $23.2 million. For the day, Pinterest shares closed 3.69% lower at $35.51. Ark Invest’s decision to significantly increase its stake in Pinterest by buying shares acros…