P/E ratio -- The price-to-earnings ratio is the most widely cited valuation metric, and for good reason. It's an easy way to compare similar businesses. Simply divide a company's current share price by its last 12 months' worth of earnings. You can also use the projected earnings over the next 12 months to calculate the forward P/E ratio. The key point to know is that P/E ratios are most useful when comparing businesses in the same industry -- such as comparing ExxonMobil (NYSE:XOM) and Chevron (NYSE:CVX).
Berkshire Hathaway -- Berkshire Hathaway is a conglomerate with more than 60 wholly owned businesses, including household names such as Geico, Duracell, Dairy Queen, and many more. The company also has a massive $230 billion stock portfolio, much of which was hand-selected by Warren Buffett, arguably the most successful investor of all time. Berkshire specifically targets businesses and stocks with durable competitive advantages and has a fantastic 55-year track record of executing on its vision of using its businesses to generate capital to reinvest in other businesses and stocks.
If you want to learn how to invest in stocks, start with a proven strategy for investing in the stock market for beginners. You'll find that long-term success starts with learning how to keep the odds in your favor and manage potential risk. The recent stock market volatility and quick shifts in market outlook offer clear examples of why that is crucial.
Intuitive Surgical (NASDAQ:ISRG) -- Intuitive Surgical is a healthcare company that makes surgical robots and is the clear leader in the space. There are tens of thousands of doctors trained on the company's da Vinci surgical robots and more than 4,400 of the robots installed worldwide. As more surgical applications are found for the technology, these machines become more valuable to the hospitals that own and use them.
Rarely is short-term noise (blaring headlines, temporary price fluctuations) relevant to how a well-chosen company performs over the long term. It’s how investors react to the noise that really matters. Here’s where that rational voice from calmer times — your investing journal — can serve as a guide to sticking it out during the inevitable ups and downs that come with investing in stocks.