Asian stocks fell, with the regional benchmark index headed for a four-day loss, amid concern Europe’s crisis is worsening and as the International Monetary Fund said China’s economy faces significant downside risks.

Nikkei 225 8,365.9 -122.19 -1.44%

S&P/ASX 200 4,123.9 -9.33 -0.23%

Shanghai Composite 2,136.15 -10.44 -0.49%

Suppliers to Apple Inc. tumbled after the company reported earnings that missed estimates.

Hutchison Whampoa Ltd., an operator of ports and retail chains that gets 55 percent of its revenue in Europe, fell 2.4 percent in Hong Kong.

Toshiba Corp. paced losses among Apple suppliers. Sony Corp., Japan’s No. 1 exporter of consumer electronics, dropped to the lowest since 1980 after a report showed Japan had an unexpected trade surplus in June.

Gome Electrical Appliances Holding Ltd., China’s second-biggest electronics retailer, plunged to an all-time low in Hong Kong after forecasting a first-half loss.