** Shares of LTIMindtree LTIM.NS gain as much as 4.3% to 5,501 rupees, last up 0.6%
** Stock among top gainers on Nifty IT index .NIFTYIT, which was up 0.4%
** IT services company said on Monday it had won its largest-ever deal; it did not reveal name of the client and financial details
** Two sources pegged the deal size at $580 million, Reuters reported
** LTIM rated "hold" on average by 38 brokerages, same as HCLTech HCLT.NS, Tech Mahindra TEML.NS and Wipro WIPR.NS - LSEG data
** YTD, LTIM down ~5% vs ~20% decline in NIFTYIT
(Reporting by Manvi Pant in Bengaluru)
((Manvi.Pant@thomsonreuters.com; +918447554364;))