A man looking at the screens on the NYSE
A man looking at a screen at the New York Stock Exchange
  • The NYSE will cancel trades after a glitch caused halts for 40 stocks, including Berkshire Hathaway.
  • The glitch caused Berkshire Hathaway to appear to trade at a 99% discount.
  • The technical issue lasted two hours and was linked to the Consolidated Tape Association's software.

The New York Stock Exchange said it will cancel trades made after a glitch caused trading halts for 40 stocks on Monday morning — including Berkshire Hathaway, which appeared to trade at a 99% discount.