Investors seem to agree. In afternoon trading in New York, the Dow Jones Industrial Average fell 0.19 per cent. The Standard & Poor's 500 Index was unchanged at 1,873.86. The Nasdaq Composite Index rose 0.16 per cent.
"Markets are continuing to give a free pass to any weak economic number because of the weather,"Jeffrey Kleintop, chief market strategist at LPL Financial, told Bloomberg News.
Shares of Exxon Mobil, down 3 per cent, and those of Nike, down 1.4 per cent, posted the biggest declines in the Dow, outweighing gains in shares of Goldman Sachs and Walt Disney, both up 1.5 per cent.
Shares of Smith & Wesson soared, last up 17 per cent, after the gun maker boosted its profit forecast.
In Europe, the Stoxx 600 Index inched lower to close at 337.06. France's CAC 40 fell 0.1 per cent, Germany's DAX shed 0.5 per cent, while the UK's FTSE 100 dropped 0.7 per cent.
The European Union has offered Ukraine billions in euros in aid to help revive its economy. The proposal will be discussed by EU leaders at a summit in Brussels on Thursday and is subject to an agreement between Ukraine and the International Monetary Fund.
"The package combined could bring an overall support of at least 11 billion euros over the next couple of years, from the European Union budget and European Union based international financial institutions," European Commission President Jose Manuel Barroso said in a statement. "It is a package designed to assist a committed, inclusive and reforms oriented Ukrainian government."
A team of officials from the International Monetary Fund is in Kiev assessing the nation's financial needs. The US earlier this week pledged US$1 billion of aid.