Keith Speights

Keith Speights


Keith began writing for the Fool in 2012 and focuses primarily on healthcare investing topics. His background includes serving in management and consulting for the healthcare technology, health insurance, medical device, and pharmacy benefits management industries.

Recent articles

Vaccine needle syringe

Why Arcturus Therapeutics Stock Is Plunging Today

Blame it on Moderna. Sort of.

Red line going up with a rocket

Why Mersana Therapeutics Stock Is Skyrocketing Today

Investors are excited about the biotech's encouraging results from an early-stage clinical trial.

Coronavirus masks on $100 bills

Why You Shouldn't Worry About Moderna's Recent Insider Selling

No foul, no harm with four of Moderna's top execs selling shares right after the biotech's big news last week.

Dollar sign with question mark shadow

Don't Believe Aurora Cannabis' Profitability Spin

When the Canadian cannabis producer uses the word "profitable," it doesn't really mean profitable.

Holding syringe and vaccine bottle

Novavax Begins Early Stage Clinical Study of Its Coronavirus Vaccine Candidate

The biotech hopes to announce results from the phase 1 part of the clinical study in July.

Gloved hand with beaker and $100 bills

Is Vertex Pharmaceuticals Stock a Buy?

This successful biotech has two big things going for it.

Cannabis leaf on top of $100 bills

Better Marijuana Stock: Canopy Growth vs. Green Thumb Industries

Which stock wins in a matchup between the biggest Canadian cannabis producer and one of the biggest U.S. cannabis operators?

Man wearing mask that looks like $100 bill

Don't Miss Out on Amazon's Massive Healthcare Opportunity With the Coronavirus Pandemic

The COVID-19 pandemic could be paving the way for Amazon to become a formidable force in the healthcare sector.

Flask with a dollar sign

If You'd Invested $10,000 in Moderna's IPO, Here's How Much Money You'd Have Now

The biotech's promising COVID-19 vaccine candidate has made it a huge winner in a short time.

Finger pointing to dollar sign

If I Could Buy Only 1 Warren Buffett Stock Right Now, This Would Be It

The choice wasn't an easy one.

News headline cutouts about coronavirus with $100 bills

Here's Why You Might Not Want to Buy Stocks Right Now

Maybe it's time to hit the pause button with stocks. But maybe not.

Coronavirus model on $100 bills

3 Large-Cap Coronavirus Stocks Still Worth Buying

These big healthcare companies have strong COVID-19 programs plus a lot more.

Female scientist holding 2 test tubes

Better Buy: AbbVie vs. Merck

Which stock wins in a battle between these two big drugmakers?

Cannabis leaf in shopping cart

Better Marijuana Stock: Aurora Cannabis vs. Cronos Group

Which stock wins in a battle between these two well-known Canadian cannabis producers?


Investing $5,000 in These 3 Stocks Could Make You a Fortune Over the Next 10 Years

These stocks have what it takes to deliver huge returns.

Scientist holding test tube

Better Buy: Biogen vs. Axsome Therapeutics

One biotech has been big long-time winner, the other is a promising up-and-comer with no revenue -- yet. But picking an investment is always a bet on the future.

Cannabis with stock chart

Why Village Farms Stock Crushed It Today

Multiple positive developments lit a fire beneath the Canadian cannabis stock.

CBD bottle with cannabis

Why Charlotte's Web Holdings Stock Jumped Today

Investors liked the hemp CBD company's patent victory.

Medical devices, technology

What's Behind Medtronic's Q4 Earnings Miss

The medical device giant's Q4 revenue and earnings fell well short of expectations. Here's why.

Scientist looking through microscope

Why ImmunoGen Stock Jumped Today

Momentum is continuing from the biotech's positive pipeline update last week.