Mortgage rates could be climbing back above 7% shortly, as gains in the 10-year Treasury yield pushed one data point close to this level.Processing ContentOn Thursday morning, the 10-year Treasury yield, which earlier in the week had been flirting with the 4.6% mark, zoomed past this to break 4.7%. The story behind the increase remains the tensions with Iran leading to rising oil prices. Market observers are fearing prices reaching $100 a barrel as a result. The last time the 10-year was this high was Jan ...