Chico’s Fas Inc. shares rose 4% in Monday premarket trading after the women’s clothing and accessories company announced it will make Chico’s brand merchandise available on Amazon.com Inc. . Items will be available beginning mid-May and will be eligible for Prime perks, including free two-day shipping. Chico’s will retain control of marketing, pricing and promotions. Travelers and So Slimming pants will be among the available collections. Additional merchandise will likely be made available with the potential to add White House Black Market, Soma and other Chico’s Fas brands. Chico’s shares are up 15.3% for the year so far, outpacing the S&P 500 index , which is down 0.1% for the period.