The historical performance of DexCom over the past 15 years, with an average annual return of 38.72%, indicates a strong and consistent growth trajectory. This performance, significantly above market average, suggests a positive outlook for the company's stock in the short term, especially considering its substantial market capitalization of $51.42 billion. The impressive growth from a $1000 investment to $139,310.17 further highlights the company's potential for future growth and its ability to generate value for its investors.