What caused APTV's earnings to decline in 2024?

Aptiv PLC (APTV) experienced a decline in earnings in 2024 primarily due to the following factors:

1. **Impact of Electric Vehicle (EV) Production Slowdown**: Aptiv's earnings were affected by the slowdown in EV production. The company faced challenges due to customer schedule reductions and a decrease in global vehicle production forecasts. This led to a reduction in revenue, as reflected in the company's adjusted financial results for the year.
2. **Supply Chain Disruptions**: Supply chain disruptions also contributed to the decline in earnings. Higher expenses and the need for additional investments in supply chain resilience impacted the company's profitability. These disruptions were exacerbated by broader industry challenges, including labor and material cost headwinds.
3. **Market Conditions and Consumer Behavior**: Broader market conditions and changes in consumer behavior towards vehicle purchases, particularly in the context of the transition to electric vehicles, influenced demand patterns. This transition affected Aptiv's business, as evidenced by the slowdown in electrification and the need for adaptation to new market dynamics.

In summary, Aptiv's 2024 earnings decline was primarily caused by the slowdown in EV production, supply chain disruptions, and market conditions. These factors combined to impact the company's financial performance, necessitating strategic adjustments to navigate the evolving automotive landscape.