NEW YORK, June 14 -- Macy's first-quarter results, reported earlier this month, delivered the company's strongest fiscal first-quarter comparable-sales reading in four years, with the same-store metric printing at plus 3 percent against guidance of 0.5 to 1.5 percent and a prior-year base of minus 2 percent. Net sales of 4.7 billion United States dollars came in 1.8 percent ahead of last year and above the 4.575-to-4.625 billion dollar guidance range, the Bloomingdale's comparable-sales line printed at plus 10.2 percent for the strongest first quarter in that brand's history, and Bluemercury delivered comparable sales of plus 6.4 percent driven by skin-care and fragrance categories. Chief executive Tony Spring used the same release to rai...