The Philadelphia Stock Exchange (PHLX), founded in 1790, is the oldest stock exchange in the United States.,Modern Evolution, ...

The arrival of the 24X National Exchange is part of a broader push toward a wider window of time for stock trading.

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It's a rough day to be a semiconductor stock. The Philadelphia Stock Exchange Semiconductor Index tumbled 3% on Wednesday, ...

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Nasdaq acquired the Philadelphia Stock Exchange and Boston Stock Exchange, two of the oldest exchanges in the country, in 2007. The NYSE bought the Chicago Stock Exchange in 2018. “What makes ...