Apple's (AAPL) market valuation hit $3 trillion on Friday, making it the first publicly traded company to touch the milestone twice. The moment came as shares of Apple broke past $190.74 at the start of the trading day. The iPhone maker originally eclipsed the $3 trillion mark in Jan. 2022. The milestone comes after a rip-roaring first half of 2023 for tech stocks, which has seen the Nasdaq rise 30% while Apple stock has gained more than 45%. Wall Street and Silicon Valley are all in on the generative AI hype wave that kicked off with the release of OpenAI's...