** Swiggy SWIG.NS gained market share from Eternal ETEA.NS in food delivery segment in November, says UBS
** Brokerage says industry volume dropped 5.3% in November compared to previous month; Eternal's order volume down 4.4%, while Swiggy's rose 0.1%
** Adds that drop in average order value driving SWIG's overall order volume growth after initiatives such as Snacc, Bolt, and the 99 store
** UBS says Eternal outperformed Swiggy in the previous two months
** On the day, ETEA down 3.5%, SWIG falls 2%
** Both stocks rated "buy" on average by analysts - data compiled by LSEG
** YTD, ETEA up 3.3% vs SWIG's 25% decline
(Reporting by Vivek Kumar M)
((VivekKumar.M@thomsonreuters.com;))