Chinese stocks closed mixed on Tuesday, with the benchmark Shanghai Composite Index down 0.11 percent to 4,091.89 points.
The Shenzhen Component Index closed 0.93 percent higher at 15,675.25 points.
The combined turnover of stocks covered by these two indices reached 3.06 trillion yuan (about 449.3 billion U.S. dollars), slightly up from 3.05 trillion yuan on the previous trading day.
Supercapacitor and non-metallic materials stocks led the gains, while port and shipping as well as insurance stocks were among the biggest losers.
The ChiNext Index, tracking China's Nasdaq-style board of growth enterprises, gained 1.72 percent on Tuesday to close at 4,102.94 points.
The STAR Composite Index, which reflects the performance of stocks on China's sci-tech innovation board, closed 1.27 percent higher at 2,155.57 points.
Chinese shares close mixed Tuesday
Teams of armed police officers rushed to carry out rescue operations after a 6.3-magnitude earthquake jolted the Haixi Mongolian and Tibetan Autonomous Prefecture in northwest China's Qinghai Province at 17:06 on Tuesday.
The People's Armed Police Qinghai Corps Haixi Detachment immediately activated its emergency rescue plan following the earthquake and swiftly deployed five rescue teams and communication support personnel, with 27 officers and soldiers in total.
Ten rescue vehicles carried a full set of disaster relief supplies, including tents, demolition tools, medical emergency equipment, and communication gear, moving at full speed toward the epicenter area.
The Da Qaidam Squadron, located closest to the epicenter, rapidly assembled its personnel.
More than 40 rescue team members drove to the epicenter as fast as they could, carrying full sets of emergency search and rescue apparatus, medical aid and emergency support equipment.
One person was confirmed dead and four others injured as of 18:40.
The quake struck at a depth of 10 km, with the epicenter at 37.80 degrees north latitude and 95.56 degrees east longitude, said a report issued by the China Earthquake Networks Center.
Armed police join rescue operation following 6.3-magnitude earthquake in Qinghai