CNBC Daily Open: A tale of two truces

* US-China agree $30B tariff cuts and AI dialogue * Iran rejects US peace terms, oil prices spike * Meta's AI agent targets subscription economy US-China summit yields $30B tariff cuts on goods and AI talks, but only a two-month trade truce. Iran rejects US peace terms, sending Brent to $107 and US crude to $94.14. Treasury yields hit 2007 highs. China industrial profits rise only 4.2%. Australia's Northern Star rejects Gold Fields' A$38.7B bid. Meta unveils AI agent Muse to cancel subscriptions. SpaceX attempts first Starship orbital flight with Starlink satellites.