Ark Investment Management Founder, Chief Executive Officer and Chief Investment Officer Cathie Wood discusses US President Donald Trump's move to to curtail H-1B visas and the potential impact on Silicon Valley. Wood also discusses companies competing in the artificial intelligence space, as well as the broader Chinese tech sector sector. Speaking with Bloomberg's Guy Johnson, Kriti Gupta, and Lizzy Burden, she also talks about the US takeover of the video app TikTok from its Chinese owners, calling it a "one-off, special case."

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