* Blue Dart Express BLDT.NS jumps as much as 15.3% to
9,488.70 rupees, highest since Oct. 4, 2022
* Logistics co sees busiest session ever, with more than 1.1
mln shares traded - 113x its 30-day avg
* Reuters could not immediately ascertain the reason
behind day's move
* Avg rating of analysts is "hold" vs "buy" for Delhivery
DELH.NS - LSEG
* BLDT's relative strength index rises to 76, suggesting
that it is in overbought zone
* Stock up ~25% YTD vs DELH's ~9% rise
(Reporting by Vijay Malkar)
((VijayDattaram.Malkar@thomsonreuters.com;))