Oil prices extended losses and stocks rallied Wednesday on fresh hopes for an end to the Iran war and the reopening of the Strait of Hormuz, while Samsung blasted past the $1 trillion valuation mark as the AI tech boom continued apace.That came on the back of an eye-watering surge by Samsung, which rocketed as much as 12 percent to hit a market capitalisation of more than $1 trillion thanks to huge demand for its AI chips.