Computer errors shook American equity markets again this week as malfunctioning software that feeds data between exchanges prompted Nasdaq Stock Market to halt trading in stocks and options.
Nasdaq said in alerts posted on its website that trading on its exchanges had been halted amid issues at its Securities Information Processor, the feed that disseminates stock quotes.
“Due to an issue at the UTP SIP affecting quote dissemination, NASDAQ is halting trading in all Tape C securities until further notice,” Nasdaq said in an alert on its website.
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