Amazon reached a valuation of $3 trillion for the first time Monday following, rising for a second straight session after last week's strong earnings report. Shares of the tech giant were up almost five percent at $284.49 in early trading, lifting the company's valuation to about $3.1 trillion, AFP reported. Amazon posted quarterly profits of more than $62 billion behind huge increases in two of its artificial intelligence-related business, AI cloud and chips.