** Shares of Avenue Supermarts AVEU.NS fall as much as
9.5% to 4,140 rupees, lowest since March 21
** DMart stores operator's rev growth slows to 4-year low of
14% in Q2, while EBITDA margin contract on higher operating
costs
** Systematix Institutional Equities says offline operating
rev was subdued; store opening rate remained weak
** Antique Stock Broking says increasing online competition,
especially quick commerce, hurt revenue
** Stock cuts YTD gains to 3%
(Reporting by Ashna Teresa Britto in Bengaluru)
((AshnaTeresa.Britto@thomsonreuters.com ; ( +91 8078332441))