The 10-year Treasury briefly poked above 5% this week - peaking at 5.04% on Bloomberg's tape, the highest since 2007 - before backing off. It's the first time it has been there since the October 2023 spike, and this time it arrived with company: Japan's 10-year is above 3% for the first time in three decades, Bunds are at their highest in a decade and a half, gilts are at a post-2008 high, and a Bloomberg gauge of G7 sovereign