Chinese electric vehicle manufacturer Nio (NYSE:NIO) sent a shot across the bow, a seeming message directed at sector leader Tesla (NASDAQ:TSLA). On May 15, Nio will launch a low-priced SUV designed to compete directly against the popular Tesla Model Y. Subsequently, NIO stock swung higher as the global war of attrition heated up.According to Cnevpost, Nio will launch a sub-brand called Onvo (or Ledao) in China. The debut coincides with the International Day of Families, which appropriately ties in with Onv ...