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Microsoft stock continued to rally on Wednesday, bringing the company's market cap back above $2 trillion. Shares gained 4% on Tuesday after the company announced its search engine Bing would integrate AI from ChatGPT parent OpenAI. Meanwhile, Alphabet fell after its ad for ChatGPT rival Bard showed the chatbot giving an inaccurate answer.A rally in Microsoft stock on Wednesday helped lift the company's market capitalization back...