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  How low can bond yields go?

• Western Union CEO: America's position as the world's role model is at risk

• Startup bank Aspiration is trying to be the anti-Wells Fargo. It's working

• Regulators want to know what Facebook's Libra will mean for the US financial system

• 4 h

  The Dow falls on geopolitical tensions

• AbbVie to buy Allergan in a $63 billion drug deal

• Christine Romans: Stocks need a reason to hit record highs

• Monzo doubles its value to $2.5 billion ahead of US launch