U.S. stocks fell about 2 percent on the first day of trade for September as weak Chinese data pressured global markets.
U.S. sovereign bonds prices rose on Tuesday following poor manufacturing data out of China further dented confidence.
Oil prices fell sharply on Tuesday official data showed China's manufacturing sector contracted at its fastest pace in three years.
Gold rose one percent on Tuesday as the dollar and global equities dropped on fresh signs of economic weakness in China.
The yen and the euro rose on concerns about China, as investors unwound bets against the two currencies used to fund holding riskier assets.
Asian stocks slumped on Tuesday after surveys of China's mammoth manufacturing sector showed a further loss of momentum.
European stocks followed Asian equities lower on Monday on reports that China could stop propping up its equity markets.
The dollar lost ground against the yen and the euro as global stock markets began the week in the red, prompting investors to trim bets.
Gold steadied on Monday, bouncing up from session lows as oil prices rallied and the U.S. dollar fell.
Asia stocks ended mostly lower on Monday, with Shanghai significantly paring losses amid reports that Beijing will halt its market intervention.
European markets closed mixed on Friday, while investors remained vigilant after a roller-coaster week in global equity markets.
Oil prices closed higher on Friday after bouncing back from six-and-a-half-year lows on recovering equities markets.
Gold rose on Friday as technical indicators and suggestions the U.S. central bank may delay a rate rise provided support.
U.S. stocks closed lower on the last day of trade for August as investors digested a volatile month amid uncertainty about China and the Fed.
The dollar rose to one-week highs on Friday.
China's benchmark Shanghai composite ended nearly 5 percent higher with gains accelerating in the final half-hour of trade.
U.S. stocks closed more than 2 percent higher in a second straight day of recovery from a recent plunge, with sentiment helped by a rebound in oil.
The bond market appeared to ignore the sizable stock rally as yields moved into negative territory, shrugging off stronger-than-expected data.
Oil rocketed higher Thursday in one of the biggest one-day rallies in years.
U.S. stock index futures pointed to a lower open on Monday, as European and Asian stocks traded mostly lower on concerns that Beijing might change tack in its efforts to boost the stock market.
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