By Aude Lagorce
ST:STOXX600 FR:PX1 DX:DAX NL:TNT
LONDON (MarketWatch)-- European markets opened higher on Monday, a few hours after the U.S. announced that al Qaeda leader Osama bin Laden was killed in a military operation in Pakistan Sunday. The Stoxx Europe 600 index ST:STOXX600 +0.26% gained 0.4% to 284.93, supported by the auto and chemicals sectors. Among the top regional indexes, France's CAC 40 FR:PX1 +0.05% climbed 0.7% to 4,135.01 and Germany's DAX 30 DX:DAX +0.52% added 0.9% to 7578.25. U.K. markets were closed for a holiday. One of the top-moving stocks was TNT NV NL:TNT -2.08% , which opened down 3%, after the company reported first-quarter results.