Should You Still Buy the S&P 500's Best-Performing January Stocks?

After a rough 2022, the S&P 500 has gotten off to a solid start in 2023. The broad-market index rose 6.2% in January as investors responded bullishly to falling inflation and signs the Federal Reserve would start slowing its interest rate hikes. Warner Bros. Discovery (NASDAQ: WBD) shares had a dismal 2022 as AT&T's spinoff of Warner Media and merger with Discovery Communications revealed a number of problems with the new media company.