Barings Corporate Investors MCI Gains 253 as Shares Approach Key Resistance Level Greenwich LifeSciences GLSI Surges 7 as Biotech Momentum Builds Platinum Group Metals PLG Hovers Near Support as Modest Decline Reflects Metal Market Uncertainty PennantPark Investment Corporation PNNT Stages a Modest Rebound Near Key Support Gran Tierra Energy GTE Slides Over 4 as Oil Price Concerns Weigh on Energy Sector