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Sometimes, all a stock needs to have a good day on Wall Street is a positive note from one of the analysts tracking it. This dynamic was in evidence on Thursday with QuidelOrtho (NASDAQ: QDEL), when

Struggling biotech Novavax (NASDAQ: NVAX) was a hot buy a few years ago as it was in the midst of developing a vaccine for COVID-19. Ultimately, it did produce an approved vaccine, but it was a bit

Is Cathie Wood a genius investor? The CEO of Ark Invest, an investment management firm, rose in prominence in the early days of the pandemic; her firm's actively managed ETFs performed well even as

Savvy investors often look to billionaire portfolios for quality dividend stock ideas. Ray Dalio, founder of Bridgewater Associates, has a stellar reputation for spotting promising investments

Merck (NYSE: MRK) is a top pharmaceutical company coming off a good quarter that shows it is growing its top and bottom lines. Even with that growth, the stock still trades at a fairly modest

A surge in artificial intelligence (AI) last year led to a rally in the tech market. The Nasdaq-100 Technology Sector index has climbed 81% since the start of 2023, driven primarily by excitement

In biotech, sometimes it's the companies that aren't making a single dime that end up being the very best investments after a short time. For instance, Viking Therapeutics (NASDAQ: VKTX) doesn't yet

Recessions are difficult to predict. Even professional economists sometimes get it wrong. But they will happen occasionally and sometimes take the stock market down. That's why it's useful for

Medical device specialist DexCom (NASDAQ: DXCM) is going through a rough patch. The company's shares dropped off a cliff following its second-quarter earnings report. However, zooming out helps put

Medical device giant Medtronic (NYSE: MDT) has been somewhat of a stock market laggard over the past five years, partly due to pandemic-related disruptions. Even beyond this global issue, the

When looking at the top bets of some of the most prominent billionaire investors, there is a common theme that stands out. These professionals are favoring highly profitable companies that dominate

Don't want to think too hard about your investing decisions? Then go with the stocks of highly profitable companies with strong growth prospects.

Three Motley Fool contributors identified several

It was a long time coming. Shares of telecom titan AT&T (NYSE: T) have finally reversed course after languishing below $20 per share for some time. In fact, the stock was on the decline, and reached

Many investors are worried about a resurgence of turbulence in the markets and what that could mean for stocks in the weeks and months ahead. But great businesses can withstand the test of time and

Neurocrine Biosciences (NASDAQ: NBIX) had some major news to report several days ago, but it was hardly beneficial to the company's stock. The latest information from the lab dampened enthusiasm for

Specialty device maker Insulet (NASDAQ: PODD) had some good news to impart to the world early this week, and investors jumped on the stock as a result. As the market started to prepare for its

Almost every portfolio needs a couple of anchor stocks that tend to grow consistently over time regardless of the mood of the market or the state of the economy. Thanks to the must-buy nature of

Most investors are happy if a stock doubles within four or five years. Vertex Pharmaceuticals (NASDAQ: VRTX) shareholders should be ecstatic. Its share price has skyrocketed 140% over the last three

The healthcare sector has historically been a resilient place for investors to park cash. The companies that operate in this space often provide life-saving medicines, devices, and solutions that