Index Pricing Glitch Causes Minor Disruptions for US Equities

A glitch prevented prices from printing on the biggest US equity index for over an hour Thursday morning, but did not affect individual stocks and resulted in only minor disruptions.

Live pricing for the S&P 500 stopped at 10:41 a.m. in New York after S&P Dow Jones Indices had trouble disseminating the information. The index operator said the problem was fixed before noon, and the root cause was being investigated.

The Dow Jones Industrial Average suffered the same outage, though it resumed a few minutes earlier. No further issues appeared to arise throughout the cash session. The S&P 500 finished ...