In Europe, the Stoxx 600 Index gained 0.9 percent by the close of trading.
Pier Luigi Bersani, leader of the main opposition Democratic Party, pleaded for Berlusconi to resign to avoid losing access to financial markets as the yield on Italy's 10-year bonds climbed to a record 6.74 percent. Italy has the second-highest debt load in Europe at 120 percent of gross domestic product.
"I ask you, Mr Prime Minister, with all my strength, to finally take account of the situation ... and resign,'' Bersani said immediately after the vote, Reuters reported.
Over in Greece, Prime Minister George Papandreou said a national unity government will be formed "soon'' and asked his ministers to prepare to resign.
Former central banker Lucas Papademos is touted as the new leader by local media reports, though his appointment has been delayed as he's negotiating terms.
The euro was last at US$1.3786, barely edging higher on the day. The greenback weakened 0.22 percent against a basket of six major currencies.
Data released today indicated a resilience in Europe's largest economy amid the euro zone's fiscal crisis, showing that Germany's exports unexpectedly rose for a second month in September.
Also exceeding expectations was Lloyds, pushing its stock more than 4 percent higher, after the British bank made smaller-than-estimated provisions for bad loans in the third quarter. The company said it might miss its income target for 2014, which didn't come as a surprise.
"The fact that there were no monsters in there is reassuring,'' Bruce Packard, a banking analyst at Seymour Pierce in London, told Bloomberg.
"I didn't think their 2014 targets were ever achievable.''
For those who work on Wall Street, a reality check is coming. The average bonus will decline by 20 percent to 30 percent this year, according to a closely watched compensation report, as banks cut costs and lay off workers.
Employees in the bond-trading business will face the sharpest pay cuts, with bonuses down 35 percent to 45 percent from a year earlier, according to a projection by New York compensation consulting firm Johnson Associates, Reuters reported.
For those on Main Street, a US Labor Department report bolstered hopes that the job market was finally picking up. Job openings rose by 225,000 to 3.35 million, the most since August 2008.