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

Key Points:

• Apple has launched its first foldable phone, the iPhone Duo, seven years after Samsung's initial foldable model; the device features dual screens, a side fingerprint sensor, and a titanium case, with public focus on the visibility of the screen crease.
• The U.S. Treasury announced a significant increase in bond buybacks, tripling the usual amount to $6 billion for an upcoming operation, aiming to maintain liquidity and control rising Treasury yields, which have reached levels not seen since before the 2008 financial crisis.
• Elevated Treasury yields and rising oil prices, with Brent crude surpassing $100 per barrel, have contributed to a decline in U.S. stock indexes for three consecutive days, reflecting market volatility amid geopolitical tensions.
• Analysis shows that former President Donald Trump's energy investments surged by millions during the Iran conflict period, raising questions about the intersection of his financial interests and policy decisions, although no evidence suggests improper trading or influence.
• AI researcher Jacob Coxon resigned from Anthropic, expressing grave concerns over AI development risks, claiming that leading companies like Anthropic and OpenAI may be recklessly advancing technology that could pose existential threats within the decade.