UnitedHealth shares slide as criminal probe report adds to investor fears

(Reuters) -UnitedHealth Group shares fell nearly 7% in premarket trading on Thursday, after the Wall Street Journal reported that the U.S. Department of Justice was investigating the company for potential Medicare fraud. The latest news adds to the health insurer’s litany of woes, including multiple government inquiries, a sudden change in top leadership and a…

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Google says hackers that hit UK retailers now targeting American stores

By Raphael Satter WASHINGTON (Reuters) -Alphabet’s Google said hackers responsible for paralyzing disruptions of UK retailers are turning their attention to similar companies in the United States. “US retailers should take note. These actors are aggressive, creative, and particularly effective at circumventing mature security programs,” John Hultquist, an analyst at Google’s cybersecurity arm, said in…

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