BUZZ-Hays: bottom of Stoxx after warning of Brexit weakness
** Recruitment company Hays (LSE: HAS.L - news) falls 5.7 pct after warning it had seen a slowdown in hiring after the EU referendum in the UK
** Co says weakness predominantly from larger clients
** FY operating profit of £181 mln broadly in line with analyst and the company's forecasts
** Top faller on Stoxx 600, worst day for the stock since day of the vote in late June