GRMN ▼ -0.3% - Garmin Ltd. $GRMN - Boost the audio experience with JL Audio M200 marine speakers and subwoofers from Garmin Garmin shares fell 0.3% today despite the company announcing new marine audio products, the JL Audio M200 speakers and subwoofers, which expand its marine electronics offerings. 01-SEP-2026 06:59 AM ET