Nio stock has been on a tear, and there might be more growth to come.

Nio ( NIO 10.02% ) stock is surging again today. Its American depositary shares soared more than 12% Tuesday morning, and remained higher by 7.6% as of 11:40 a.m. ET. A new model release from the Chinese electric vehicle (EV) maker may be what Nio needed for investors to believe in its unique technology.

Has Nio cracked the EV code?

Nio's share price has gained more than 33% in the last month. Most of that has come since it announced the release of its new ES8 flagship SUV. It wasn't the vehicle itself that caught investor attention -- it was the price. Now it seems many are beginning to believe that the company has a unique way to capture more and more of the EV markets in China and even Europe.

The rollo

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