Marks & Spencer slips as first-half profit lags pre-cyberattack level

**Shares of British retailer Marks & Spencer MKS.L down 1.7% at 407p

** Stock among top losers on FTSE 100 .FTSE

** Co says first-half profit rebounded from last year's cyberattack-hit level, but was down on a two-year basis

** Retailer says strong food trading was unable to fully offset weakness in its clothing business

** Profit in the fashion, home and beauty division also remained below its level two years ago, reflecting a tougher apparel market and a slower recovery from the cyberattack

** YTD, stock up ~25% vs FTSE 100 up ~7%, as of Tuesday's close