LONDON—U.S. Treasury yields rose to multi-year highs on Monday, while the euro strengthened and the spread between French and German bond yields narrowed after French President Emmanuel Macron won a larger than expected vote share in Sunday’s election. With 97 percent of the votes counted for Sunday’s presidential election first round, Macron garnered 27.6 percent of the votes and right candidate Marine Le Pen won 23.4 percent. Macron will now go into a runoff against Le Pen on April 24. A Le Pen victory could send shockwaves through France and Europe in ways similar to Britain’s vote in 2016 to leave the European Union (EU). The first round result saw Macron record a bigger lead than he managed in 2017, leaving the euro 0.4 percent higher on the day at $1.0915, after it initially rose to $1.0955 overnight then fell to $1.0874. The French 10-year bond yield was slightly higher …