The combined stock market valuation of Apple, Alphabet, Nvidia, Tesla, Microsoft, Amazon and Facebook increased by about 70% to more than $10 trillion, roughly the size of the entire US stock market in 2002
As the world reeled, tech titans supplied the tools that made life and work possible. Now the companies are awash in money — and questions about what it means to win amid so much loss. Image: Nicolas Ortega/The New York Times
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