Stock exchanges shouldn't be subject to human error, experts say

Systems that require a single person to manually shut them down or switch them over are "accidents waiting to happen," said Monica Summerville, head of capital markets at the research firm Celent. People make mistakes, but systems that affect millions of dollars, thousands of trades and confidence in markets amid an increasingly competitive trading environment should have automation and cloud technologies to ensure operational resiliency, Summerville and other experts said.