** Shares of Eternal NSE:ETERNAL jump 21% this week, set for best weekly gain on record
** ETEA top weekly gainer on benchmark Nifty 50 NSE:NIFTY
** Stock also set to log first weekly gain in four
** Gains driven by Zomato and quick commerce platform Blinkit parent's robust Q1 revenue, which boosted hopes for continued growth in quick-commerce business
** Rival Instamart parent Swiggy NSE:SWIGGY also up 5.4% this week, set for its third straight weekly gain; also top weekly gainer on Nifty Next 50 (.NN50)
** Avg rating on ETEA and SWIG at "buy" - LSEG data
** YTD, ETEA up 12% vs SWIG's 24% decline