Alex Dumortier, CFA

There's one comparison to Amazon that isn't flattering to electric car manufacturer Tesla, and it concerns the compensation of their chief executive officers.

Did Tesla alter its accounting for its major profit engine?

Look beyond the headlines and you'll find that this distressed utility has the hallmarks of a spectacular Warren Buffett "coup."

Chewy's commitment to delighting its customers makes this pet e-tailer a rare breed and gives it a competitive advantage.

Amazon's user experience isn't all that, lessons from the history of the handheld calculator business, and why business-to-business technology firms don't get the credit they deserve.

The stock is up sharply from its $26 reference price, but there's still an opportunity to buy the shares at less than their intrinsic value.

This smart filter is the basis of a five-minute analysis to determine whether investors should consider buying shares in Slack Technologies' public offering.

Investors, pundits, and journalists often quote Warren Buffett, but quotes from Berkshire vice-chairman Charlie Munger are equally instructive.

A customer-based analysis suggests ride-sharing company Lyft will be profitable -- but will it be profitable enough to justify the $24.3 billion valuation it looks set to achieve?

One is a linchpin of the global financial system, the other represents a bet that the system is ripe for a revolution. Which is the better buy between the Bitcoin Investment Trust and U.S. Treasury bills?

Good reads, short quotes.

In the wake of yet another scandal, shares of beleaguered Deutsche Bank hit a multi-decade low. As the German lender tries to correct the mistakes of a failed ambition to take on Wall Street's finest, we revisit the question: Is Deutsche Bank a Buy?

With the Dow having just recorded its worst week since the financial crisis, shares of this iconic American company can be bought at a discount to fair value.

For whatever reasons, investors don't seem to be giving these promising companies their due.

Bitcoin Investment Trust is an open-end fund that tracks the performance of bitcoin. That performance has been disastrous in 2018, which begs the question "hodlers" everywhere are asking: Where will Bitcoin Investment Trust be in 5 years?

This week we look at under-reported stories concerning three of the world's most valuable and most visible companies, and we pay tribute to one of the world's wealthiest investors, whose deal-making and investing acumen was matched only by his discretion.

Analysts who expect Snap's revenues to grow much faster than Facebook's are underestimating the vast chasm between their competitive positions.

The investment bank's failure is a reminder of some of the dysfunctions in the financial and regulatory apparatus that brought the world to the edge of the abyss -- and of dysfunctions that still exist today.

Warren Buffett just wrapped Berkshire Hathaway Inc.'s annual meeting. At their current price, are the shares of one of the greatest wealth-creation vehicles in the history of capitalism a buy?

This powerful filter, which focuses on competitive advantage -- or the lack of one -- is the basis of a five-minute analysis to determine whether investors should buy shares in Dropbox's initial public offering.