** Shares of NMDC Steel NMDS.NS surges 18% to 42 rupees, highest since June 11
** Stock marks record-high intraday percentage gain
** Iron mines operator reports profit of 255.6 mln rupees ($2.92 mln) in June-qtr, compared to a loss of 5.47 bln rupees a year ago
** Revenue from operation rises 66% Y/Y
** Trading volume 28.1x the 30-day avg; busiest day since April 24 2024
** Stock down 1.8% YTD
($1 = 87.6650 Indian rupees)
(Reporting by Rudra Pratap Singh in Bengaluru)
((rudrapratap.singh@thomsonreuters.com))