Temasek Holdings denied speculation that Chief Executive Officer Ho Ching makes S$100 million (US$70 million) a year.“This claim is false,” the Singapore state investor said in a rare statement addressing the pay of the top executive, who’s also Prime Minister Lee Hsien Loong’s wife.“Furthermore, Ho Ching’s annual compensation is neither the highest within Temasek, nor is she amongst the top five highest-paid executives in Temasek.”Temasek manages a portfolio that’s valued at S$313 billion as…