CNBC Daily Open: Apple's new iPhone bends. Bond vigilantes, not so much

John Ternus, chief executive officer of Apple Inc., holds an iPhone Duo foldable smartphone during a product unveiling event at Apple Park in Cupertino, California, US, on Wednesday, Sept. 9, 2026. David Paul Morris | Bloomberg | Getty ImagesHello, this is Hui Jie writing to you from Singapore. Welcome to another edition of CNBC's Daily Open.Apple has released new devices, including the company's first foldable phone — and iPhone18 in new colors. Elsewhere, the U.S. Treasury announced it was stepping into the bond markets again, tripling the normal buyback operation. And in the midst of the jolts in the markets due to the Hormuz conflict, U.S. President Donald Trump's energy portfolio has surged by millions, a CNBC analysis found. What you need to know todaySeven years after rival Samsung launched its first foldable phone, Apple has done the same, releasing the iPhone Duo. While the marketing material promised many new features, such as an external and internal screen, a fingerprint sensor on its side and a titanium case, social media commentary seemed to zero in on just one thing: will it have a prominent crease? Much (digital) ink has been spilt debating how visible it is, how th...