** Shares in Colruyt COLR.BR fall as much as 18.5% after the Belgian supermarket chain issued a profit warning ahead of its full-year results
** Shares on track for their biggest fall since September 2022, if losses hold
** The new guidance implies a low- to mid-single-digit decline in operating profit and a 7-12% contraction in net income, J.P.Morgan says
** Degreoof Petercam cuts its PT on the stock by 6.5% to 43 euros ($48.81) but confirms its "hold" rating saying its financial position can support operations and share price through buybacks
** By 1013 GMT the stock is down 14% to 36.4 euros; bringing it to a negative territory for the year
($1 = 0.8811 euros)
(Reporting by Alessandro Parodi)
((Alessandro.Parodi@thomsonreuters.com;))