Susan Dziubinski is an investment specialist with more than 30 years of experience at Morningstar covering stocks, funds, and portfolios. She previously managed the company's newsletter and books businesses and led the team that created content for Morningstar's Investing Classroom. She has also edited Morningstar FundInvestor and managed the launch of the Morningstar Rating for stocks. Since 2013, Dziubinski has been delivering Morningstar's long-term perspective and research to investors on Morningstar.com. She has been the co-host of The Morning Filter since 2023.
Susan Dziubinski
Susan Dziubinski is an investment specialist for Morningstar and co-host of The Morning Filter podcast. Email Susan at susan.dziubinski@morningstar.com.
More From Susan Dziubinski
Plus, our stock market outlook for the quarter ahead.

The Best Active Growth Stock ETFs to Buy
These active ETFs investing in growth stocks earn top ratings from Morningstar in 2026.

Inside a Surprise Exit With Big Implications for Berkshire
Todd Combs’ departure narrows the circle around Greg Abel and offers a read on how the company may operate in a post-Warren Buffett era.

How Much Volatility Is Too Much in a Stock’s Fair Value?
What investors can learn from Oracle stock’s swings in fair value, and what a downgraded moat means for the tech giant.

What Today’s Bond Market Is Signaling to Investors
In the face of oil price shocks and stock market volatility, here’s how investors should think about fixed income.

Micron’s Earnings Beat Was One of the Largest Our Strategist Has Ever Seen, but Can It Last?
Plus, whether the stock is a buy today.

27 Companies With Wide Moats That Won’t Be Snuffed Out by AI
We expect these companies to be winners in an AI world.

3 Core Stocks to Scale Back On
The stocks of these high-quality companies look overpriced today.
4 Stocks to Buy With Winning Brands
Plus, why to keep an eye on the bond market today.

The Best iShares ETFs to Buy and Hold That Invest in US Stocks
These passive ETFs earn top ratings from Morningstar in 2026.

You Can’t Predict Stock Market Performance, but You Can Measure a Stock’s Value
Why Morningstar’s stock valuations aren’t built to game short-term market movements.

3 Moat Downgrades Caused by AI Disruption—and 1 Wide Moat That Stayed That Way
Which previous software stock picks we think AI threatens the most, and why this company stands out from its peers.
5 Stocks to Buy That Are Sheltered From AI Disruption
Plus, what to watch in the US stock market this week.

When to Sell a Core Holding
How to know when it’s time to take profits on the stock of a great company.

This Asset Manager Could Be Building Back Trust in Private Credit
Why we like Blackstone stock, with a few reservations.

Is Now the Time to Sell Oil and Defense Stocks?
After sharp rallies in both sectors, strong performance may argue for trimming positions rather than adding exposure.
3 Stocks to Sell and 3 Stocks to Buy Instead
Plus, how to position your stock portfolio today.

Berkshire Hathaway After Warren Buffett: An Early Read on What Investors Can Expect
And whether Berkshire stock is still a buy without Buffett in charge.

When It Comes to Private Credit, Investors Are Not Getting Paid Enough for Downgrade and Default Risk
How Blue Owl’s saga is sending private credit fears soaring.

What Nvidia’s Surprising Stock Dip Says About Market Sentiment
What the market is looking for from the AI stock giants, and whether Nvidia is a buy today.

These Diversification Strategies Are Winning in 2026
5 charts on what’s benefiting from the ‘anything but AI’ trade and the rotation in the US stock market.

Why Investors Should Pay Attention to Oil Prices as War With Iran Rattles Markets
What signals investors should watch in the fog of war, and 2 ways to hedge your portfolio against geopolitical risks.
5 Stocks to Buy Before They’re Not Undervalued Anymore
Plus, whether Nvidia is a buy after earnings.

3 Dividend Stocks for March 2026
These dividend-growth stocks are attractive today.

AI Fears May Be Overblown in the Short Term, but That Doesn’t Mean There Isn’t Risk Ahead
As selloffs continue, the market is trying to answer the question: Which services and products can be replaced by artificial intelligence?

10 Cheap Dividend-Growth Stocks to Buy in 2026
The stocks of these companies with a reliable history of dividend increases look undervalued today.

5 Hardware Tech Stocks to Avoid Amid AI Uncertainty
If high‑bandwidth memory supply catches up or demand growth slows, we expect these stocks to fall faster than they rose.

Warren Buffett’s Berkshire Hathaway Bought These Stocks. Should You?
Here are the firm’s recent purchases that look like stocks to buy today.

When It Comes to Tariffs, It’s Not Over Until It’s Over
What tariff uncertainty means for the markets, and why investors shouldn’t overreact to the news.
5 Oversold Stocks to Buy Before They Rebound
Plus, whether the stock market’s AI fears are overblown.