• HSBC to freeze salaries, hiring for this year to cut costs
  • Middle East markets get week off to positive beginning

Here are highlights of the top breaking stories from around the world on Sunday:

The data behind the Bloomberg Politics/Iowa Poll that has Republican Donald Trump leapfrogging Ted Cruz going into Monday’s caucuses showed how the real estate billionaire erased Cruz’s lead in a state where the Texas senator has campaigned relentlessly. Trump’s “birther” questioning of Cruz’s eligibility to be president and his “he’s a nasty guy" attacks got traction. The caucuses are the first statewide voting in the U.S. presidential primary campaign.

The Securities and Exchange Commission confirmed a long-awaited $154 million settlement involving Barclays, Credit Suisse, and the New York Attorney General’s office over allegations of improper conduct by the banks in managing private trading platforms known as dark pools.

HSBC Holdings is freezing hiring and salaries this year as part of a cost-cutting plan.

Hedge-fund billionaires Kenneth Griffin and Paul Singer made more than a third of all donations in the second half of 2015 to a super-PAC supporting Florida Senator Marco Rubio’s presidential bid, according to a regulatory filing made Sunday on the deadline for campaign spending reports to be submitted.

British Prime Minister David Cameron and EU President Donald Tusk agreed to postpone, by 24 hours, the circulation of Tusk’s plan for an arrangement on keeping the U.K. in the EU as the leaders tried to work out compromises on immigration and other issues.

A major investor of Abu Dhabi’s First Gulf Bank pulled a $330 million share sale, after earlier arranging the offering to raise money to pay off a margin loan. The bank surged 12 percent, the most in 11 years.

Mideast markets rebounded strongly to start the week, with Abu Dhabi’s general index registering its biggest one-day gain in more than a year. Asia markets opened on the upside as well.

Nigeria is preparing to seek $3.5 billion in emergency loans from the World Bank and African Development Bank to finance a record budget during a period of plummeting oil prices.

Israel’s cabinet approved the creation of a permanent space for non-Orthodox prayer at Jerusalem’s Western Wall, under pressure from American Jews and liberal Jewish denominations that have long chafed at Orthodox control of the holy site.

Before it's here, it's on the Bloomberg Terminal. LEARN MORE