Fidus Investment Corporation FDUS Gains 107 Above Support but Below Key Resistance Southern Company Corporate Units SOMN Hold Near Resistance After Modest Gain nLIGHT Inc LASR Rallies 209 to 7803 Testing Key Resistance Levels Platinum Group Metals PLG Hovers Near Support as Modest Decline Reflects Metal Market Uncertainty US GoldMining Inc USGO Slips 433 as Key Support Levels Beckon