Vanguard bug temporarily rewrites history and dramatically over-reports some account values
UPDATE [October 14, 2021]: Vanguard has confirmed to me that this issue was caused by a bug in a software update they released to their web site and then fixed a day later. See the end of this blog posting for their response. Executive summary Some time between 6:00am US/Eastern on September 14, 2021 and… Read More »