New York - Companies around the world spent a record $5.04 trillion on acquisitions in 2015, according to Dealogic, as slow worldwide economic growth and low interest rates pushed companies to combine forces.

Dealogic, a financial data provider, says the value of global deals soared 37 percent 2015. The highest price tag came in November, when Pfizer and Allergan announced the biggest pharmaceutical deal in history.

Low interest rates since the Great Recession have made it cheaper for companies to borrow money to pay for acquisitions, and because the global economy only grew slowly this year, companies decided it made more sense to buy their competitors instead of trying to boost their sales on their own.

Here are the 10 largest acquisitions announced during the year:... Read More: VIN