Why did Avis's operating profit plummet in Q4 2024?

American Express (AXP) did not experience a plummet in its operating profit in Q4 2024. In fact, available data indicates a positive trend for the company's earnings. Here are the key points to consider:

1. **Earnings Projection**: The company's upcoming earnings per share (EPS) are projected to be $3.02 for Q1 2025, reflecting a 15.27% increase from the same quarter of the previous year.
2. **Revenue Projection**: The consensus estimate for revenue is $17.19 billion, up 8.82% from the prior-year quarter.
3. **Full-Year Projection**: The full-year Zacks Consensus Estimates suggest earnings of $13.41 per share and revenue of $65.97 billion, marking changes of +19.63% and +9.01%, respectively, from last year.
4. **Analyst Confidence**: The Zacks Rank system, which considers estimate changes for near-term business trends, assigns American Express a #3 rank, indicating a positive outlook.

In conclusion, American Express is not expected to experience a decline in operating profit in Q4 2024, based on the available financial projections and analyst assessments. Instead, the company is projected to show strong growth in both earnings and revenue for that quarter.