Leading tech companies have seen rapid increases in market capitalization (Financial Times, Reuters). Outcome will be determined by the end-of-day "Market Cap" reported by Bloomberg for Apple (AAPL), Amazon (AMZN), Alphabet (GOOGL), and Microsoft (MSFT).  If two or more companies reach an end-of-day market capitalization of $1 trillion on the same day, the question will resolve on the company with the higher market capitalization.

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This question closed as "Apple" with an end date of 2 August 2018. _{See our FAQ to learn about how we resolve questions and how scores are calculated.}