Venezuela's oil is also of poorer quality than its Saudi equivalent. Its sour, heavy crude is difficult to extract and refine, while its high sulphur content makes it corrosive to pipelines. A resurgence of Venezuela's industry could pose problems for Canada, which produces similarly viscous oil and exports much of it to the US, but analysts reckon the risk is minor.
U.S. 30-year mortgage rates have dipped under 6% for the first time since September 2022, creating the best affordability window to purchase a home in more than three years.
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stack.push(cur); // 当前元素入栈，作为前面元素的候选更大值