Nio stock (NYSE: NIO) has been exhibiting plenty of volatility as of late.On March 11, government support for the company’s battery-swapping technology caused a surge of almost 10%, from 4.40to4.91. The tide of optimism continued. Nio stock closed at a price of 5.18onMarch19,twodaysbeforethereleaseofthecompany’sQ4earningscall.Despitethesehighhopes,thequarterlyreportturnedouttobeadisappointment.Theelectricvehicle(EV)companyposteda0.43 loss per share, above consensus es ...