Italy has fallen back into recession, intensifying concerns about the 19-country eurozone economy and a possible flare-up in the debt market jitters that have haunted the bloc in the past. The Italian economy, the third-largest in the eurozone, contracted by a quarterly rate of 0.2 percent in the fourth quarter of 2018, the national statistics agency said. Following a 0.1 percent drop in the previous three-month period that means Italy is in a technical recession, defined as two straight quarters of economic contraction — just four years after its last one. Italy’s recession is one reason why the wider eurozone slowed in 2018, along with uncertainties related to Brexit, the China-U.S. trade spat and new vehicle emissions standards. Though the eurozone is performing better than in the dark days of the debt crisis, which threatened to break up the euro currency, it’s still lagging the U.S. economy, which is projected to have grown about 3 percent in 2018. As a result, unemplo...