BUZZ-RBS: Sees bigger financial impact from Williams & Glyn sale
** Royal Bank of Scotland (LSE: RBS.L - news) 's shares down 4.4 pct, near the bottom of the FTSE, after saying it will explore alternatives for sale of its Williams & Glyn unit
** Shares (Berlin: DI6.BE - news) were down about 2 pct prior to announcement
** Co says after extensive analysis, there is a significant risk that sale of unit will not be achieved by Dec (Shanghai: 600875.SS - news) . 31 2017
** Sale of Williams & Glyn unit must be completed by the end of 2017 as a condition of its bailout during the financial crisis
** Co says impact of sale likely to be "significantly greater" than previously anticipated
** Worst day for co since March 10, shares underperforming 1.1 pct fall in Stoxx 600 Banks Index (venkateshasoumithri.mamidipudi.thomsonreuters.com@reuters.net)