** Shares of Jindal Stainless JIST.NS rise as much as 2.6% to 804.4 rupees apiece, a three-week high
** Rise after the steel maker says it is doubling its slag processing capacity with a new milling plant at its Odisha plant
** Investment for the capacity is expected to be at $150 million to build and operate the plant under a 15-year partnership with Harsco Environmental
** JIST shares are up about 3.5% in two sessions since the announcement
** ICICI Direct says it remains positive on JIST as the plant will support the company's expanded capacity operations, help recover metal from industrial waste
** The average rating of 13 analysts tracking JIST is "buy"; the median price target is 767.5 rupees, data compiled by LSEG shows
** JIST shares are up 12.1% in 2025 so far, lagging the 18.6% rise in the metal index .NIFTYMET, exchange data shows
(Reporting by Bharath Rajeswaran in Bengaluru)
((bharath.rajeswaran@thomsonreuters.com; +91 9769003463;))