That's because two out of the three countries with the largest debt markets in the world are experiencing political crises right now.
Pretty much everyone is aware of what's happening in the US, where the government is going to shut down on Monday night, provided there's not some last-minute stick save to keep things operating. It doesn't look like there will be.
At issue is the fact that the GOP refuses to pass a budget unless there's some sort of cancellation, defunding, or delay to Obamacare. Obviously, Democrats won't support such a bill, and Obama would never sign.
So: gridlock.
Meanwhile, in
So you have the world's largest government bond market (the US) and the world's third largest (Italy) both experiencing political crises on the same weekend.