Bats Says System Errors Caused Pricing Problems Over 4 Years

Bats Says System Errors Caused Pricing Problems Over 4 Years

Scott Eells/Bloomberg

The pricing issues at Bats follow the company’s withdrawal of its own initial public offering after a technology glitch in March and the Nasdaq Stock Market’s botched IPO of Facebook Inc. in May, events that undercut investor confidence that exchanges are in command of their technology systems.