Barclays falls as Q3 profit misses estimates
** Shares in Barclays BARC.L down 1.8% at 411.8p
** British lender posts Q3 profit before tax of £2.32 bln($3.08 bln), missing company-compiled estimate of £2.42 bln
** Company announces new £500m share buyback
** BARC down ~12% YTD
($1 = 0.7462 pounds)