Retail-to-luxury group PPR said first-quarter revenues inched up 1.2%, thanks namely to the resilient performance of its luxury division Gucci Group. Sales for the three months ended March 31 totaled $5.7 billion up from$5.3 billion, in the same period a year earlier. Dollar figures are converted from average exchange rates for the period. “The sharp improvement in sales of all of our businesses in the first quarter provides us with a solid platform to speed up revenue growth throug...