Shares of Eli Lilly were taking a 6.9% hit toward a two-month low in recent trading, enough to make them the S&P 500's biggest decliner. The problem is that the drug giant provided fourth-quarter revenue guidance that was below Wall Street expectations,

Eli Lilly shares fell after the drugmaker warned that sales of its hot diabetes and anti-obesity drugs are growing more slowly than expected. Lilly now expects fourth-quarter sales of $3.5 billion for diabetes drug Mounjaro and $1.