** Shares of Vontobel VONN.S fall around 10% after worse-than-expected H1 results, on track for worst day in 5 years
** The company's H1 group net profit of 115.5 million Swiss francs ($145.59 million) missed analyst expectations of 131.7 million Swiss francs in a consensus cited by ZKB
** Citing lower interest rates and a sharp decline in the US dollar, Vontobel also reported operating income at CHF 689 million, down 5% year-on-year
** "We expect investors could be concerned by a heavy revenue-driven miss," Citi analysts wrote in a note
** Shares were down 11.8% to CHF 60.5 at 08:17 GMT, paring losses after falling as much as 12.2%
** Share is on track for its worst day since 2020-03-12, when it closed 14.3% lower
($1 = 0.7933 Swiss francs)
(Reporting by Marleen Kaesebier)
((marleen.kaesebier@thomsonreuters.com))