Stock Market Today: Stocks Close Mixed as Q4 Earnings Season Kicks Off

Delta Air Lines and UnitedHealth Group sold off sharply after earnings.

closeup of stock chart with volume bars and green and red price bars
(Image credit: Getty Images)

Stocks opened higher Friday as investors took in the latest inflation update and the first round of fourth-quarter earnings. The enthusiasm faded into the long weekend, though, with the main indexes ending far from where they started.  

Ahead of the open, data from the Bureau of Labor Statistics showed the December Producer Price Index (PPI), which measures what businesses are paying suppliers for goods, was down 0.1% on a month-to-month basis, and up 1.0% on an annual basis. The monthly figure matched what was seen in November, while the yearly number was greater than the 0.8% rise from the previous month.

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Karee Venema
Senior Investing Editor,

With over a decade of experience writing about the stock market, Karee Venema is the senior investing editor at She joined the publication in April 2021 after 10 years of working as an investing writer and columnist at Schaeffer's Investment Research. In her previous role, Karee focused primarily on options trading, as well as technical, fundamental and sentiment analysis.