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Tech firms dominating US stock market

It reflects the diminishing influence of banks, which held a much larger share of the S&P 500 in the years before the financial crisis

Computer and software makers have been the biggest industry in the S&P 500 for the duration of the bull market that began in March 2009, with their influence widening at the end of 2015 and again now.

New York

DON'T look now, but technology companies are exerting more control over the US stock market than any time since the Internet bubble.

Fuelled by three-year rallies in which Microsoft Corp and Alphabet Inc doubled, Inc tripled and Facebook Inc surged fivefold,...

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