Jeweller Pandora's sales warning leads Europe lower

(Reuters) - European shares dipped slightly on Tuesday, a day after hitting their highest levels since 2015, with a sales warning from Danish jewellery maker Pandora dragging on the benchmark index.The pan-European STOXX 600 index fell 0.1%, although declines were capped by a positive tone around U.S.-China trade talks.Pandora fell to the bottom of the index, with a 12% slide, as it warned of a steeper-than-expected fall in sales this year.The telecoms index fell 0.9%, hurt by a 2% fall in..