BUZZ-SIG Plc: Liberum backs stock, sees margin recovery
** SIG Plc (LSE: SHI.L - news) rises about 2 pct boosted by Liberum rating upgrade
** Stock top gainer on FTSE-350 Support Services Index
** Brokerage raises stock to Buy from Hold; raises TP on stock from 220 p from 210 p citing better outlook
** Shares (Berlin: DI6.BE - news) have slid nearly 8 pct since co reported H1 earnings, which were lower-than-expected
** Brokerage says weakness in Europe, increased competition and currency impact are all historic and it sees gross margin recovery and momentum on cost savings as positives (aashika.jain@thomsonreuters.com)