NEW YORK ( TheStreet) -- European stocks that brushed off bailouts in Ireland, Portugal and Greece hit a 10-month low Tuesday, reflecting a mix of poor economic data coming from the U.S., sluggish growth and a sovereign debt crisis that just won't go away.

The Stoxx Europe 600 Index retreated 1.4% to 258.44 in London on Tuesday, the lowest level since Oct. 5 on foot of several earnings reports that missed analysts' estimates. Meanwhile, 10-year benchmark bond yields in Italy and Spain -- the two eurozone countries now seen to pose the greatest threat to Europe's financial stability - remain above the psychological barrier of 6%, as markets refuse to accept that Europe's debt crisis has been solved.

Both benchmarks breached 6% for the first time in July. The three eurozone countries that have so far been bailed out -- Greece, Ireland and Portugal -- all issued their most recent 10-year bonds at yields of between 6% and 7%.

Adding to Europe's woes, a raft of European banks announced sweeping job cuts in the past week. Barclays ( BCS) announced a further 1,600 jobs cuts Tuesday, on top of the 1,400 jobs already lost this year. HSBC ( HBC) announced up to 30,000 layoffs Monday. It followed the news that Lloyds ( LYG) would cut 15,000 jobs, while Credit Suisse ( CS) plans to cut 2,000 jobs.

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