A software glitch during a Monday update caused the New York Stock Exchange (NYSE) to mistakenly halt trading on around 40 stocks and display abnormal trades showing a 99% drop, including in Berkshire Hathaway Inc. The issue, the third market disruption in a week, was resolved after 45 minutes by switching to a backup data center. NYSE will cancel incorrect trades and review the halts for further actions. The error occurred as the Consolidated Tape Association implemented a software update affecting the Securities Information Processor feed.