Société Générale Profit Hit by Write-Downs

BY NOÉMIE BISSERBE

PARIS—Société Générale SA sought to reassure investors about its financial strength, even as it posted worse-than-expected second-quarter profit, hit by write-downs on the value of assets in the U.S. and Russia, and a plunge in investment-banking revenue.

"There will be turmoil again, for political and economic

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