Tesco's third largest shareholder Warren Buffett has described his investment in the supermarket as a "huge mistake".
Price versus value debate still rages on
Shares in Warren Buffett's firm Berkshire Hathaway have reached a new high of $200,000 each.
Warren Buffett's Berkshire Hathaway failed to beat the S&P 500's return last year, meaning it missed Buffett's target of beating the index over a five year period for the first time.
Warren Buffett's Berkshire Hathaway is set to miss its five year performance target for the first time in over four decades.
Warren Buffett's Berkshire Hathaway has purchased a $3.45bn stake in oil company Exxon Mobil.