"I'm only happy when it rains," sang alternative rock band Garbage in the 1990s, and it's fair to say that Cathie Wood feels the same way. The co-founder, CEO, and chief stock picker of Ark Invest is a growth stock investor, but she also seems to be making opportunistic purchases when her holdings go the wrong way. 

Ark Invest only added to a couple of its position on Wednesday. Velo3D (NYSE: VLD), Tesla Motors (NASDAQ: TSLA), and Coinbase (NASDAQ: COIN) were three of Wood's more interesting buys. Let's take a closer look at her shopping cart.

Image source: Getty Images.

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Source Fool.com