** Ceres Power CWR.L jumps 18.5% to 590p, highest since September 2022
** Stock among top gainers across all London stocks
** Goldman Sachs raises PT to 670p from 530p; reiterates "buy"
** Says demand for clean energy technology developer's solid oxide fuel cell tech rising "faster than expected", especially at Chinese partner Weichai 000338.SZ
** Flags improving medium-term royalty visibility, raises its royalty revenue forecasts by 11%-56% for 2026-2030
** YTD, CWR soars ~177%
(Reporting by Nithyashree R B in Bengaluru)
((NithyashreeRB@thomsonreuters.com))