Excel Mishaps: Why It Pays to Have Excel OCD
Marks and Spencer - When they announced that sales had risen in the quarter but they had, in fact, fallen; mistake due to... an Excel summing error.
JPMorgan Chase - When they had $6.2bn in trading losses in 2012 (the “London Whale” incident) due to... an Excel error.
Fidelity’s Magellan...