McDonald's Corp. may boast about how juicy its burgers are, butit can hardly say the same about some of its bond yields.

Investors are now paying to lend euros to the American fast foodchain as post-crisis monetary policy has kept interest rates at ornear all-time lows. With the European Central Bank (ECB) ready toadd more stimulus to the Eurozone, the already-record pile of $13.3trillion of negative-yielding debt is poised to grow even further,sweeping some U.S. issuers in the European market along withit.

Euro-denominated debt issued from McDonald's with a 4 percentcoupon is now yielding -0.174 percent, according to data compiledby Bloomberg. Its 2 percent euro bonds due 2023 yield -0.148percent.

McDonald's is hardly alone in this phenomenon, as easy moneypolicies have driven European yields below zero in other U.S.company bonds, too, including some from Apple Inc., PepsiCo Inc.,AT&T Inc., and International Business Machines Corp., to name afew.

Of the $13.3 trillion of negative-yielding corporate andsovereign debt, as tracked by Bloomberg, $245 billion is from theUnited States and Canada. The U.S. companies' dollar-denominateddebt still offers yields in positive territory, where U.S. interestrates—though likely to fall—are still much higherthan in Europe.

While these companies are investment-grade rated and alreadyoffer less yield than their junk-rated counterparts, somehigh-yield companies also have bonds that trade with negativeyields, such as Altice France SA, Telecom Italia SpA, and NiddaHealthcare Holding (Stada).

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