China's central bank and financial institutions spent 42.2 billion yuan ($6.85 billion) on foreign exchange purchases in February, data from the central bank showed on Wednesday.
China's bond market grew 23.8 percent in the first half of the year.
China's new yuan-denominated lending amounted to $175.64 billion in June, up 216.5 billion yuan year on year.
Chinese shares closed lower on Tuesday, with the benchmark Shanghai Composite Index down 0.04 percent, or 0.91 point, to finish at 2,038.31.
Total bank cards issued by China's financial institutions reached 4.39 billion at the end of the first quarter, putting average per capita bank card ownership at 3.24.
The Chinese currency, which is allowed to rise or fall by 2% from the central parity rate each trading day, weakened again against the US dollar on Thursday.
Chinese shares closed lower on Friday with the benchmark Shanghai Composite Index down 0.73 percent, or 14.77 points, to finish at 2,004.34.
The Chinese currency renminbi, or the yuan, went down 111 basis points to 6.1312 against the US dollar on Monday.
Chinese shares closed higher on Monday with the benchmark Shanghai Composite Index up 0.92 percent, or 18.93 points, to finish at 2,075.24.
Chinese shares closed higher on Friday with the benchmark Shanghai Composite Index up 0.44 percent, or 8.95 points, to finish at 2,056.30.
China's CSI300 share index suffered its largest one-day loss in seven months, as prices dropped sharply in the afternoon on renewed credit worries and a sharp drop in the yuan.
Chinese shares continue to plunge on Tuesday with the benchmark Shanghai Composite Index down 2.05 percent, or 42.47 points, to finish at 2,034.22.
Chinese shares closed lower on Thursday with the benchmark Shanghai Composite Index down 0.18 percent, or 3.77 points, to finish at 2,138.78.
Chinese shares closed higher on Monday with the benchmark Shanghai Composite Index up 0.24 percent, or 4.91 points, to finish at 2,089.71.
Chinese shares closed mixed on Friday with the benchmark Shanghai Composite Index down 0.31 percent, or 6.72 points, to finish at 2,196.08.
The ChiNext Index, tracking China's Nasdaq-style board of growth enterprises, lost 2.96 percent, or 37.74 points, to close at 1,235.56 points on Thursday.
China's stock index futures closed lower on Thursday, with the contract for October, the most actively traded, down 0.36 percent from the previous trading day to 2,411.0 points.
China's investment growth decelerated further in the second quarter amid flagging industrial activity, and it may remain at a low ebb.
China shares suffered their biggest daily loss since August 2009 on Monday, with the benchmark Shanghai Composite Index down 5.3 percent to end at 1,963.24.
Chinese shares slumped after HSBC data showed the nation's manufacturing activities fell to a nine-month low this month.