The three major stock indexes in the U.S. collectively opened higher, with the First Union rising more than 25%.

On December 22nd, the three major U.S. stock indexes opened higher collectively, with the Nasdaq up 0.62%, the Dow up 0.14%, and the S&P 500 up 0.44%. First United rose over 25%, with reports that Cintas had submitted another acquisition offer. Warner Bros. Discovery rose over 3%. It was reported that Larry Ellison will provide a $40.4 billion guarantee for Paramount's acquisition of Warner Bros. Discovery. Micron Technology rose over 4%, following a nearly 7% increase in the previous trading day.