BUZZ-Standard Life Aberdeen: day two gains driven by Barclays double upgrade
** Insurer and asset manager Standard Life Aberdeen up 3 pct & top of FTSE 100 in decent volume on second trading day of combined co
** Barclays (LSE: BARC.L - news) raises rating on SLA to "overweight" from "underweight" & PT to 510p from 343p
** Double upgrade comes after Standard Life (LSE: SL.L - news) completes acquisition of Aberdeen Asset Management (Frankfurt: 899502 - news) to create Standard Life Aberdeen & transfers sector to UK Diversified Financials from UK Insurance, broker says
** Barclays says deal synergies at £200 mln appear attractive & there is evidence to suggest that previous headwinds of outflows at GARS and Global Emerging Markets at Aberdeen are receding