Nio has accumulated about 50 percent gains in Hong Kong since last Wednesday.

The debut of Nio shares in Hong Kong came at a time when tech stocks were selling off badly, and they suffered the same plunge. Now, after a V-shaped reversal, these shares have finally recovered their losses.

At press time, Nio (NYSE: NIO, HKG: 9866) was up 8.4 percent to HK$162.6, the first time it has been back above HK$160 since its Hong Kong listing.