Cathie Wood didn't do a lot of trading last week, but the co-founder, CEO, and widely followed stock picker at Ark Invest changed her tune coming out of the Memorial Day holiday weekend, adding to 10 of her existing positions.

What is she buying? Some of the more interesting purchases for Ark Invest on Tuesday were UiPath (NYSE: PATH), Roblox (NYSE: RBLX), and Advanced Micro Devices (NASDAQ: AMD). Wood thinks this is a good time to add to these stakes. Let's take a closer look.

Timing is everything when it comes to robotics. The same can be said about timing and robotics stocks. Wood added more UiPath to her portfolio on Tuesday. The provider of software solutions for robotics and automation reports its fiscal first-quarter results after the market close on Wednesday.

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Source Fool.com