Nio missed first-quarter expectations, but there has been better news since that period.First-quarter earnings were released today by Chinese electric vehicle (EV) maker Nio (NIO -5.69%). The company lost slightly more than the market anticipated on sales that also disappointed investors. But it isn't all bad news for investors.Still, the market reaction led to as much as a 10% drop in Nio's American depositary shares. As of 11:45 a.m. ET, the stock recovered some of that decline, but was still down by 6.7% ...