A US court upheld the conviction of the Theranos founder Elizabeth Holmes for defrauding investors out of hundreds of millions of dollars while operating her failed blood-testing startup, once valued at $9bn, rejecting her multi-year appeal. The court also upheld the conviction of Ramesh “Sunny” Balwani, once Holmes’s romantic partner and president of Theranos.A three-judge panel for the 9th US circuit court of appeals in San Francisco rejected claims of legal errors at their separate trials hel...