Chinese stocks staged a mixed performance Friday with bluechip shares outperforming small-cap companies.

The benchmark Shanghai Composite Index stayed in negative territory most of the day before rising 0.13 percent to close at 3,222.42.

The smaller Shenzhen Component Index closed 0.37 percent lower at 10,427.79.

Bluechip shares, especially those in banking and insurance, were among the biggest winners.

Shanghai Pudong Development Bank, for example, gained 2.41 percent, while Ping An Insurance saw shares up 2.21 percent.

The SSE 50 Index, which tracks 50 stocks on the Shanghai Stock Exchange with large market capitalization and high liquidity, went up 0.85 percent, reaching a new high.

The ChiNext Index, China's NASDAQ-style board, lost 1.87 percent to close at 1,745.57. The index plunged 4.9 percent this week, the biggest weekly loss in almost a year.

A newcomer to the ChiNext Index, China's genomics giant BGI saw its shares surging by the upper limit shortly after its initial public offering (IPO) on the Shenzhen Stock Exchange Friday .

With an initial offering price of 13.64 yuan (2 U.S. dollars), the company's share jumped more than 32 percent shortly after the market opening, triggering a temporary suspension on trading, before the share prices surged again to reach the upper limit of 19.64 yuan after trading resumed.

According to market rules, share prices of stocks on their first day of trading on the Shenzhen Stock Exchange should not exceed 144 percent of the initial offering price.

Founded in 1999, the gene sequencing firm offers a wide portfolio of genetic testing products across major diseases, enabling medical providers and patients worldwide to realize the promise of genomics-based diagnostics and personalized healthcare.