Pfizer's Problems Go Far Beyond Just Declining COVID Revenue

A lot can change on the stock market in just a few years, and Pfizer (PFE -0.16%) is a great example. At the end of 2021, its shares were trading at around $60, and things were looking great for the COVID-19 vaccine maker. It would go on to hit a record of more than $100 billion in annual revenue in 2022. Today, however, the stock is below $30 per share. What was once hype and excitement surrounding the stock has now been replaced with fear and concern as investors worry about what the future holds for the ...