The company issued a statement, apologising "for any inconvenience caused by this database update error".

BBC: Kaspersky anti-virus cuts web access of thousands of PCs

Update : Due to a calculation error the original version of this post had a lower net worth for Buffett and a larger gap between Ortega and Buffett.

FORBES: Warren Buffett Fourth Richest Person But Closing In On Spain's Amancio Ortega At No. 3

Update if I correct for my math error, then the bearish estimate gave a 700 point downside to the Dow.

FORBES: Did Analysts Correctly Predict the Market?