A Chinese tech stock skyrocketed 924% on its trading debut, breaking the record for a first-day gain

Shares in a Chinese tech company soared 924% during their trading debut on Thursday, according to Bloomberg.
QuantumCTek's stock price rose more than tenfold, to about 370 yuan ($53), boosting its market capitalization to north of $4.2 billion.
The stock broke Shanghai's Star market's record for a first-day gain of 614%, set on Tuesday.
QuantumCTek's market cap is more than 110 times its sales last year and 600 times its net income.
Visit Business Insider's homepage for more stories.
A Chinese t