UnitedHealth Group Inc’s (NYSE:UNH) CEO reassured a U.S. Senate panel that the company’s recent troubles do not threaten the broader economy.  CEO Andrew Witty made these remarks in response to concerns raised by senators regarding the potential systemic risk stemming from the size of the largest U.S. health insurer.  During the hearing, senators questioned Witty about the ramifications of a cyberattack on UnitedHealth’s technology unit, which had significant repercussions for patients and healthcare providers. UnitedHealth, boasting a market capitalization of $445 billion and annual revenue of $372 billion, stands as one of the foremost companies in the U.S., Reuters stated.  Senators emphasized its global significance, noting that it ranks as the 11th largest company worldwide.  The gravity of the recent cyberattack was compounded by UnitedHealth’s dominant position in the healthcare ...