How did CCOI's Q4 earnings surprise impact its annual performance?

Cogent Communications Holdings Inc.'s (CCOI) Q4 earnings surprise had a significant impact on its annual performance, though the specific figures are not available. Here's an analysis based on the information provided:

1. **Q4 Earnings Surprise**: CCOI achieved substantial cost savings of $165 million, which is 75% of their targeted $220 million. This indicates a positive financial outcome that likely improved profitability.
2. **Annual Performance Implications**:
- **Revenue Growth**: CCOI's revenue for the quarter was up 8.6% year-over-year. This growth, coupled with the cost savings, suggests that CCOI's annual revenue and profitability could have seen a notable improvement.
- **Net Income**: Although the exact net income for Q4 is not provided, the cost savings and revenue growth imply a stronger net income in Q4 compared to the previous year.
- **Annual Net Income**: Since CCOI's earnings call highlighted significant cost savings and revenue growth, it can be inferred that CCOI's annual net income likely benefited from these factors, contributing to a better financial performance for the year.
- **Analyst Expectations**: Analysts expected CCOI to post earnings of ($1.34) per share for the quarter. If CCOI's Q4 performance was in line with or exceeded these expectations, it would have positively influenced the annual earnings per share (EPS) calculation.

In conclusion, CCOI's Q4 earnings surprise, characterized by significant cost savings and revenue growth, likely had a positive impact on its annual performance, contributing to improved profitability and potentially enhancing its financial outlook for the year.