Berkshire Hathaway Stock Resumes Trading After Exchange Showed Shares Plummeting 99% Barron’sNYSE says technical issue that caused Berkshire Hathaway to be displayed down 99% is fixed CNBCNYSE resolves glitch that showed Berkshire Hathaway down 99% Yahoo FinanceNYSE technical error sends stocks tumbling The RegisterNew York Stock Exchange says bizarre glitch that showed Berkshire Hathaway down 99.97% has been resolved CNN