Amazon.com Inc. has reached a $2 trillion market valuation for the first time ever as an artificial intelligence-fueled rally pushed the tech giant deeper into record territory. Shares rose 3.9% on Wednesday to close at $193.61, pushing the market value to more than $2 trillion. The company is now a member of an elite club of a handful of peers that have surpassed the key market capitalization. Alphabet Inc. passed the $2 trillion threshold in late April, while rallies have pushed market values ...