On a flat to down day for the stock market, space company Planet Labs (PL 5.18%) broke away from the pack and scored gains Tuesday afternoon, after updating investors on the latest refresh of its fleet of Earth observation satellites.As of 3 p.m. ET, Planet Labs stock is up 3.8%.What Planet Labs saidWith approximately 200 medium-resolution Dove and high-resolution SkySat satellites orbiting Earth, Planet Labs already boasts one of the world's largest satellite constellations -- and easily the largest of any ...