SCHAFFHAUSEN, Switzerland--(BUSINESS WIRE)--Garmin Ltd. (NASDAQ: GRMN) announced today that it has adopted a Rule 10b5-1 plan (the “Plan”) in connection with the $300 million share repurchase authorization that was approved by the company’s board of directors on February 13, 2015. A plan under Rule 10b5-1 allows a company to repurchase its shares at times when it otherwise might be prevented from doing so under insider trading laws or because of self-imposed trading blackout periods. A broker s