** Shares of JBM Auto JBMA.NS jump 7.4% to 672 rupees
** Stock logs biggest intraday pct gain since May 12
** International Financial Corporation (IFC) invests $100 million in its unit JBM Ecolife Mobility
** Investment will finance deployment of modern, air conditioned electric buses across cities in Maharashtra, Assam, and Gujart
** Stock sees busiest session since April 16, with trading volume at nearly 18.2x 30-day avg
** Stock down 12% YTD
(Reporting by Rudra Pratap Singh in Bengaluru)
((rudrapratap.singh@thomsonreuters.com))