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- Shares of Chinese EV makers rose Thursday after Tesla reported record quarterly profit.
- Tesla CEO Elon Musk said he believes his company's biggest rival could come out of China.
- "They work the hardest and they work the smartest," he said of Chinese electric vehicle makers.
Shares of Nio and other US-listed Chinese electric car makers revved up Thursday as Tesla CEO Elon Musk said its largest rival will likely come from China.