How much a stock's price changes over time is important for most investors, since price performance can both impact your investment portfolio and help you compare investment results across sectors and industries.Another thing that can drive investing is the fear of missing out, or FOMO. This particularly applies to tech giants and popular consumer-facing stocks.What if you'd invested in HCA Healthcare (HCA) ten years ago? It may not have been easy to hold on to HCA for all that time, but if you did, how much would your investment be worth today?HCA Healthcare's Business In-DepthWith that in mind, let's take a look at HCA Healthcare's main business drivers. Effective May 8, 2017, the company’s name was changed to HCA Healthcare, Inc. from HCA Holdings, Inc. It is the largest non-governmental operator of acute care hospitals in the U.S. Headquartered in Nashville, TN, it operates hospitals and related health care entities.At the end of 2020, the company operated 185 hospitals, comprised of 178 general, acute care hospitals; five psychiatric hospitals; and two rehabilitation hospitals. The company also operated 121 freestanding surgery centers and 21 freestanding endoscopy centers. Its business is spread across 20 states and England.The general, acute care hospitals also provide outpatient services such as outpatient surgery, laboratory, radiology, respiratory therapy, cardiology and physical therapyIt operates in two geographically organized groups – the National and American Groups.The National Group includes 96 hospitals across Alaska, California, Florida, southern Georgia, Idaho, Indiana, northern Kentucky, Nevada, New Hampshire, North Carolina, South Carolina, Utah and Virginia.The American Group includes 82 hospitals across Colorado, northern Georgia, Kansas, southern Kentucky, Louisiana, Missouri, Tennessee and Texas. The company also operates six hospitals in England that are included in the Corporate and Other group.The company's general, acute care hospitals with 48,492 licensed beds provide a wide range of services to cater to different medical specialties, such as internal medicine, general surgery, cardiology, oncology, neurosurgery, orthopedics and obstetrics as well as diagnostic and emergency services. As of Dec 31, 2020, HCA Healthcare’s five psychiatric hospitals with 593 licensed beds offered a full range of mental health care services through inpatient, partial hospitalization and outpatient settings. Bottom LineAnyone can invest, but building a successful investment portfolio requires research, patience, and a little bit of risk. So, if you had invested in HCA Healthcare ten years ago, you're likely feeling pretty good about your investment today.According to our calculations, a $1000 investment made in July 2011 would be worth $7,178.85, or a gain of 617.89%, as of July 26, 2021, and this return excludes dividends but includes price increases.The S&P 500 rose 228.01% and the price of gold increased 7.13% over the same time frame in comparison.Analysts are anticipating more upside for HCA. HCA Healthcare’s second-quarter earnings of $4.37 per share beat the Zacks Consensus Estimate of $3.17 by 37.9% and also improved 191.3% year over year on higher revenues. Its shares have outperformed its industry in a year’s time. The company's multiple buyouts have helped it increase its patient volumes, enabled network expansion and added hospitals to its portfolio. The company has also taken up cost curbing measures, which would likely aid margins. With the rise in usage of telehealth medicine, the company expanded its telemedicine product offerings. Its solid 2021 outlook impresses. However, the company escalating operating expenses persistently weigh on the margins. High leverage is another concern. The COVID-19 pressure on revenues also bothers the company. Shares have gained 19.67% over the past four weeks and there have been 8 higher earnings estimate revisions for fiscal 2021 compared to none lower. The consensus estimate has moved up as well. Time to Invest in Legal Marijuana If you’re looking for big gains, there couldn’t be a better time to get in on a young industry primed to skyrocket from $17.7 billion back in 2019 to an expected $73.6 billion by 2027. After a clean sweep of 6 election referendums in 5 states, pot is now legal in 36 states plus D.C. Federal legalization is expected soon and that could be a still greater bonanza for investors. 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