Shares of Herbalife (HLF -31.66%) plummeted 31.7% on Thursday after the dietary supplement specialist badly missed earnings expectations with its latest quarter.Herbalife serves up a steep earnings missHerbalife's fourth-quarter 2023 net sales grew 2.5% year over year (2.9% at constant currency) to $1.215 billion, while its adjusted (non-GAAP) earnings declined 47.2% over the same period to $0.28 per share. Analysts, on average, were expecting significantly higher earnings of $0.39 per share on revenue of $ ...