** Amber Enterprises India AMBE.NS shares jump 5% to 6,575 rupees
** Brokerages optimistic about co's electronics business and market share gains in refrigeration and air conditioning (RAC) in Q4
** AC maker posted higher Q4 profit and revenue over the weekend, and was optimistic about growth in RAC, electronics segment in analyst call on Monday
** Elara Capital upgrades rating to "buy" from "accumulate", raises PT to 8,290 rupees from 7,840 rupees
** Says co in process of becoming diversified electronics manufacturing services firm, which should prop future revenue visibility
** Despite weak summers, Amber confident of its consumer durables business outpacing industry growth amid new customer additions and tailwinds in non-AC components business: Investec
** YTD, AMBE down 11%
(Reporting by Vivek Kumar M)
((VivekKumar.M@thomsonreuters.com;))