The tentative Brexit agreement reached this week still poses significant economic and political challenges that investors will find difficult to ignore.

Bonds are poised to cause more trouble than they're worth, and it may be time for investors with a 60/40 mix of stocks and bonds to replace them with other assets.

Many workers with student loans postpone saving for retirement. Now, a handful of companies are trying to prevent them from falling behind on retirement savings by matching their student-loan repayments with contributions to a 401(k) plan.