Italy's capital markets aren't looking healthy ahead of the country's crucial referendum.

Investors aren't waiting for Italy's big decision

Italy's referendum on December 4 will give voters the opportunity to approve or reject what some have described as the country's most extensive constitutional reforms since the abolition of the monarchy at the end of World War II. Yet it may be the fact that Italy's three opposition parties all favour exiting the euro that explains why Prime Minster Matteo Renzi has promised to resign if voters reject the reforms.