** Berenberg upgrades Belgian materials technology group Umicore UMI.BR to "buy" from "hold"; raises PT by 18% to 23.50 euros
** Cites high metals prices and the declining importance of battery materials
** Notes stock is returning to its "golden age", a period when its value tracked precious metal prices for two decades before UMI shifted focus to the battery segment
** Out of 17 analysts that cover Umicore, 5 rate the stock "strong buy" or "buy", 10 "hold" and 2 "strong sell" or "sell" - LSEG data
($1 = 0.8557 euros)
(Reporting by Clement Martinot)
((Clement.Martinot@thomsonreuters.com;))