Shares of Michael Kors Holdings Ltd. (NYSE: KORS), a designer and manufacturer of apparel, footwear, handbags, and other accessories, were up 5.8% as of 11:25 a.m. EDT on Wednesday after the company released strong fiscal first-quarter 2019 results.Total revenues checked in at $1.2 billion during the quarter, a 26.3% increase compared to the prior year, and higher than analysts' estimates calling for $1.1 billion.