The 10-year US Treasury yield plunged 31 basis points and the US dollar Index fell more than 2%.
The Nasdaq closed an eye-popping 7.35% higher, and the Dow Jones Industrial Average spiked nearly 1,200 points.
Meanwhile, core monthly inflation, which excludes food and energy, increased 0.3%, below estimates for a rise of 0.5%.
The move in assets was immediate following the CPI release, with the 10-year US Treasury yield plunging an immediate 20 basis points, eventually falling 31 basis points.
Meanwhile, the US Dollar Index plunged more than 2%, it's weakest day in more than 10 years.