M&S is a member if the FTSE 100.

Shares in Marks and Spencer (M&S) have been tipped to rocket to their highest valuation in ten years in the wake of the FTSE 100 giant battling a major cyber attack.

Off the back of the British icon’s full-year results, analysts are predicting that shares in M&S will rise to more than 420p each.

The retailer’s shares last changed hands for that much each at the end of December 2015.

They are currently priced at 366p, having fallen sharply after the cyber attack was first revealed in April.

In May, City AM reported that revenue at M&S had increased by six per cent to £13.8bn during its latest financial year.

However, its pre-tax profit fell by almost 24 per cent to £511.8m over the same period.

M&S also confirmed at the time that it would rai

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