(Bloomberg) -- Nio Inc.’s annual loss widened last year as the Chinese electric-vehicle maker faced fierce competition in the world’s biggest EV market.Most Read from BloombergAmerica Blew Almost $2 Trillion. Make It Stop.Supreme Court Rules Trump Can Appear on Presidential BallotsWall Street’s DEI Retreat Has Officially BegunAMD Hits US Roadblock in Selling AI Chip Tailored for ChinaApple’s iPhone Woes in China Deepen With a 24% Sales PlungeThe Shanghai-based company’s net loss of 5.4 billion y