Southern Finance, May 20gorillagoldmegawaysfreePrecious metals and non-ferrous concept stocks collectively opened highergorillagoldmegawaysfreeSilver led the gains. Hunan silver rose at a daily limit. Silver Nonferrous Metals, Shengda Resources, Northern Copper, Yuguang Gold and Lead, Xingye Silver and Tin, etc. rose more than 5%. On the news front, international commodities collectively surged sharply on the 17th, with gold rising 1.5%.gorillagoldmegawaysfree.11%, once again standing at US$2400/ounce, the highest since April 19; silver rose 6.5%.gorillagoldmegawaysfree.36%, the highest since 2013; Luntong hit a record high.