Stocks in the United States rose on Tuesday with a rebound that led to world markets decline.
The S&P 500 rose more than 1% shortly after trading began, recovering from a 1.2% decline on Monday.  Investors were worried about concerns about the US-China trade war. On Tuesday, reflecting the ripple of this conflict, Singapore reduced its annual economic growth expectations to zero and 1%. Investors also responded to unexpected election results from Argentina, which sent stocks and currency to the country.
New data published on Tuesday also show that the outlook for the German economy has deteriorated significantly. The ZEW economic sentiment indicator fell 1
"The latest escalation in the US-China trade dispute, the risk of competitive depreciation and the increased likelihood of non-compliance with the Brexit deal put further pressure on already weak economic growth," said Achim Wambach, ZEW President, Center, in a statement for economic research. "This is likely to put additional strain on the development of German exports and industrial production."
Outside the United States, stocks have declined, although they moderated somewhat when Wall Street began to trade.
Hong Kong is leading losses in Asia's largest markets, down 1.8% as anti-government protesters flooded the city's busy airport for the second consecutive day.
Losses moderated by the opening up of European markets.
The FTSE 100 sank about 0.5 percent by late morning in the UK. The German DAX was about 1% lower and the CAC 40 in France was about 0.5% lower.
Hong Kong's Hang Seng Index closed 2.1% on Tuesday.
In Japan, the Nikkei 225 index fell 1.1%.  China's Shanghai composite index closed 0.6 percent lower, while both the Kospi index of South Korea and the Singapore Straits Times index fell 0.9 percent.