The US dollar index fell 0.35% to close at 97.942.
TL;DR
The US dollar index dropped 0.35% to 97.942 on December 23, with the dollar weakening against major currencies like the euro and pound, while strengthening against the yen.
According to ChainCatcher, citing Jinshi, the US dollar index, which measures the dollar against six major currencies, fell 0.35% on December 23, closing at 97.942 in late trading. One euro traded for $1.179, up from $1.1755 the previous day; one pound sterling traded for $1.3497, up from $1.3458; one dollar traded for 156.2 yen, down from 156.92 yen; one dollar traded for 0.7877 Swiss francs, down from 0.7918 Swiss francs; one dollar traded for 1.3694 Canadian dollars, down from 1.3747 Canadian dollars; and one dollar traded for 9.1684 Swedish krona, down from 9.2396 Swedish krona.