Apple CEO Tim Cook stands next to the new Apple Vision Pro headset is displayed during the Apple Worldwide Developers Conference on June 05, 2023 in Cupertino, California. The last time technology stocks had a better first half, Apple was touting its Lisa desktop computer, IBM was the most-valuable tech company in the U.S. and Mark Zuckerberg hadn't been born. It's a startling achievement, given what's happened in the tech industry over the past four decades. Meta and Tesla , which both got hammered last year, have more than doubled in value so far in 2023. Nvidia shares soared 190% in the first half, lifting the 30-year-old company's market cap past $1 trillion.

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Persons: Tim Cook, Apple, Mark Zuckerberg hadn't, Zuckerberg, Tesla, OpenAI, Bryn Talkington, CNBC's Organizations: Apple, Apple Vision, Apple Worldwide, IBM, Nasdaq, Microsoft, Silicon Valley Bank, Federal Reserve, Meta, Facebook, Google, Nvidia, Capital Management Locations: Cupertino , California, U.S