There's a simple, straightforward argument for investing in Dexcom (NASDAQ: DXCM). The company specializes in the development of continuous glucose monitoring (CGM) systems, which help diabetes patients keep track of their blood glucose levels. Diabetes is the seventh leading cause of death in the country, according to the U.S. Centers for Disease Control and Prevention (CDC). About one person in 10 in the U.S. has diabetes, and 88 million have pre-diabetes. 

Monitoring blood glucose levels is critical for those who suffer from this condition, meaning Dexcom's services are in high demand. Perhaps as a result of these factors, the company's stock has performed well recently. Year to date, Dexcom's shares are up by 88%.

Still, there's more to consider before pulling the trigger. Let's take a closer look at Dexcom's business, financial results, and competition, and decide whether it is worth buying its shares today. 

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Source Fool.com