- Garmin beat on both the top and bottom lines.
- The company also forecast full-year revenues and profits above Wall Street expectations.
- Shares gained 15% following the results.
- Watch Garmin trade live.
Garmin , a maker of fitness and navigation devices, on Wednesday posted strong fourth-quarter results and forecast full-year revenues and profits above Wall Street estimates, sending shares soaring by 15% to their highest level since 2008.