23/10/2014 06:55 BST | Updated 23/10/2014 06:59 BST

Tesco's Profits Have Plunged, But Here Are 6 Crisis Moments It Toughed Out

Tesco's chairman is leaving as the supermarket has revealed that its £250m accounting scandal is bigger than thought and pre-tax profits fell by a record 91.9%.

The shocking results saw shares in Britain's biggest supermarket fall 6% at the start of trading, with financial experts offering withering verdicts.

"Why would anyone take a risk on a company that continues to disappoint in this manner?," asked Accendo Markets trader James Abbott. "Fortune often favours the brave, but the stupid?" Others suggested it could be the "worst point" in Tesco's history.

Can things get any worse? As Tesco fights to recover from its record-breaking bad results, HuffPost UK thought it worth dwelling on 6 other tough moments it has managed to survive.

Photo galleryTesco's darkest hours See Gallery

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