A roundup of trading on major world markets:

NEW YORK – US stocks have sunk deep into the red as weak Chinese factory data and US home sales numbers outweighed Amazon’s unexpected blockbuster swing into profit.

The Dow Jones Industrial Average on Friday shed 163.39 points (0.92 per cent) at 17,568.53.

The broad-based S&P 500 dropped 22.50 (1.07 per cent) to 2,079.65, while the tech-rich Nasdaq Composite Index lost 57.78 points (1.12 per cent) at 5,088.63.

New home sales ran at an annual pace of 482,000 units in June, and May’s rate was cut to 517,000 units from the original report of 546,000.

The preliminary reading of Caixin’s Purchasing Manager’s Index (PMI) came in at 48.2 in July, the weakest reading since 48.1 in April 2014, according to Markit’s data.

LONDON – European stocks fell as poor data out of China sent a chill through markets about the prospects of a global economic recovery.

London’s benchmark FTSE 100 index of top companies shed 1.13 per cent to end Friday at 6,579.81 points, the CAC 40 in Paris retreated 0.58 per cent to 5,057.36 points, and Frankfurt’s DAX 30 fell 1.43 per cent to 11,347.45 points.

The euro slipped to $US1.0967 from $US1.0985 late in New York on Thursday.

HONG KONG – Asian markets mostly fell following more downbeat Chinese data and another sell-off on Wall Street.

Tokyo shed 0.67 per cent, or 139.42 points, to end at 20,544.53, Sydney fell 0.43 per cent, or 24.2 points, to close at 5,566.1 and Seoul was 0.93 per cent lower, giving up 19.11 points to 2,045.96.

Hong Kong fell 1.06 per cent, or 270.34 points to 25,128.51 and Shanghai reversed morning gains to fall 1.29 per cent, or 53.01 points, to 4,070.91. Shanghai’s losses follow a six-day rally that came in response to measures to protect the market after a month-long plunge.

WELLINGTON – The S&P/NZX 50 Index fell 7.12 points, or 0.1 per cent, to 5894.18.