BUZZ-Centrica, SSE: fall ahead of PM May's speech
** Energy providers Centrica (Frankfurt: A0DK6K - news) and SSE (LSE: SSE.L - news) top fallers on FTSE 100 ahead of a speech by UK PM Theresa May that could contain new detail on government energy policy
** Sun deputy political editor and BBC political editor both suggest fall in Centrica's share price due to the speech at the Conservative party conference, expected at 1020 GMT. Link: http://bit.ly/2yWCFWO
** The Sun had earlier reported May would be announcing an energy price cap in the speech. Link: http://bit.ly/2xSOYDn
** Centrica (Amsterdam: CC8.AS - news) -3.1 pct, SSE (Amsterdam: UW8.AS - news) -2.1 pct in volume