What started as a tragic story Down Under ended happily when a dressage-caliber female horse “adopted” a newborn colt abandoned by its own mom. In Victoria, Australia, last November, a gorgeous Dutch warmblood named Jazzabelle (or Jazzy) bore a stillborn calf to Melbourne-based breeder Sarah Brayshaw, who was subsequently crestfallen by the ill-fated birth. Brayshaw…

PRAGUE—For Czech gun maker CZG-Ceska Zbrojovka Group, its recent acquisition of the Colt brand carries both the potential to become a major player in the global firearms market and the challenge of reviving the fortunes of a fabled U.S. name. Shares of CZG, which listed on the stock market last October, have surged 60 percent…