Atex stock rises on best copper-gold porphyry assay yet at Valeriano project in Chile

Drilling at ATEX Resources’ (TSXV: ATX) Valeriano copper-gold project in northern Chile returned results as high as 2.21% copper - the company’s highest-grade intersection yet in mineralized porphyry at the site. Shares jumped. Hole ATXD25A cut 30 metres grading 2.21%...