Block, Inc. (NYSE:SQ) shares have fallen nearly 10% in the last five days due to fears of U.S. payment companies following suit after French payment processing company Worldline slashed its guidance. Macroeconomic pressures including inflation and rising interest rates are also affecting consumer spending. Block is set to report its Q3 financial results on Nov. 2. More than 12 million shares have been traded in Friday's session, compared to the stock's 100-day average of 11.077 million shares.