An analyst at lead underwriter Morgan Stanley cut his revenue forecasts for Facebook in the days before the offering, while analysts at JPMorgan Chase and Goldman Sachs, which were also underwriters on the deal, each revised their estimates during the road show as well, Reuters reported.
"I think there is a lot of reason to have confidence in our markets and in the integrity of how they operate, but there are issues that we need to look at specifically with respect to Facebook," Securities and Exchange Commission Chairman Mary Schapiro told reporters as she exited a Senate Banking Committee hearing.
In Europe, the Stoxx 600 Index enjoyed a 1.9 per cent jump for the day as investors found value among beaten-down equities. Not so with the euro, however, as the battered currency weakened 0.6 per cent to US$1.2727.
A day before European Union leaders are set to meet in Brussels to discuss ways to stimulate the euro zone economy, the Organisation for Economic Co-operation and Development warned of the risks Europe's debt crisis poses to the rest of the world.
In its semi-annual report on the global economy, the OECD forecast the euro zone economy will contract 0.1 per cent in 2012, before eking out 0.9 per cent of expansion in 2013.
"The risk is increasing of a vicious circle, involving high and rising sovereign indebtedness, weak banking systems, excessive fiscal consolidation and lower growth," OECD Chief Economist Pier Carlo Padoan said in the report.
The OECD also forecast that worldwide growth will slow to 3.4 per cent this year from 3.6 per cent in 2011.
As the Bank of Japan began a two-day policy meeting that is widely expected to result in measures to bolster expansion, Fitch Ratings slashed the nation's long-term foreign currency rating to A plus from AA, and downgraded the local currency rating to A plus from AA minus.
The yen shed 0.9 per cent against the greenback, and fell 0.2 per cent against the euro.
The mood among investors left enough question marks to bolster the appeal of US Treasuries as the sale of US$35 billion in two-year notes drew better-than-average demand. The bid-to-cover ratio was 3.95, the most since a record high 4.07 in November, and compared with an average of 3.62 for the past 10 sales, according to Bloomberg News.
"It was a tremendous auction," Ray Remy, head of fixed income in New York at Daiwa Capital Markets America, one of the primary dealers obligated to bid in US debt auctions, told Bloomberg. "The most important factor driving demand is the European situation."