Jamie Dimon’s bond-market warnings put investors on alert to diversify outside U.S. - MarketWatch

1. Jamie Dimon warns about U.S. bond market's worsening fiscal situation. 2. Bond market selloff leads to rising yields on 2-year and 10-year Treasuries. 3. Potential 'cracks' in the bond market could prompt investors to seek alternatives. 4. Solid demand for Treasuries persists despite rising yields and fiscal concerns. 5. Investors advised to diversify geographically due to U.S. bond market vulnerabilities.