News roundup: Last week, a slew of corporate expense management fintechs across the globe announced new funding rounds and partnerships that will support geographic expansion and product development. The Copenhagen-based corporate expense management fintech Pleo reported that it raised $200 million in a Series C round. The new unicorn nearly tripled its valuation to $4.7 billion. The US-based corporate expense management fintech Rho, founded in 2018, raised $75 million in a Series B round led by Dragoneer Investment Group. This adds up to a total of $205 million in equity and debt financing. The Norway-based expense management app developer Sonya said that it will partner with Swedish impact technology provider…