Technology stocks sold off, 10-year US Treasury yields hit biggest daily change since March 2023 Technology stocks have been sold off, and geopolitical and fiscal risks have driven funds into US bonds. The 10-year US bond yield has plummeted by 19.3 basis points in a single day, marking the largest single day change since March 2023. The cost of hedging against the sharp rise in US bonds is soaring. (Source: Golden Ten Data)