** Shares of Jupiter Wagons JUWL.NS surge 13.2% to 294.5 rupees
** Slovakian engine manufacturer Tatravagonka A.S., part of the Indian railway engineering co's promoter group, increased stake in co to 19.24% from 18.69% on Friday, buying 1.35 bln rupees worth of shares
** More than 32.9 mln shares change hands by 11:55 a.m. IST vs 30-day avg of 775,503 shares
** One of the two analysts covering the stock rates it "strong buy" and the other rates it "hold" -- LSEG data
** Stock down ~41.3% YTD
(Reporting by Abhirami G in Bengaluru)
((abhirami.g@thomsonreuters.com))