** Shares of British student accommodation developer Unite Group UTG.L fall 5.9% to 664.5 pence, lowest since March 2020
** Stock top percent loser on FTSE mid cap index .FTMC, which is down 0.2%
** Co posts softer rental growth of 4% at third-quarter end compared with 8.2% y/y
** Reiterates fiscal 2025 outlook for adjusted earnings per share of 47.5p to 48.25p
** "Unite’s results and updates continue to paint a picture of a tougher macro for purpose-built student accommodation," analysts at Panmure Liberum say
** Including session's losses, stock falls 17.7% YTD, while FTMC gains 6.5%
(Reporting by DhanushVignesh Babu in Bengaluru)
((DhanushVignesh.Babu@thomsonreuters.com;))