After jumping a hefty 43% in 2024, shares of language-learning app Duolingo ( DUOL -0.68%) are up another 47% so far in 2025.

Tesla generated 72% of its revenue in the first quarter (ended March 31) from the sale of automobiles. The business is known ...

Think annual fees are a waste of money? Here's how paying for the right travel card helped me unlock luxury perks and ...

My wife and I are saving up $50,000 for a rental property using a CD ladder. Here's our plan, our timeline, and how much ...

If you're still using a debit card to pay for gas, you're leaving easy money on the table. Unlike most credit cards, debit ...

That means retirees must stretch their Social Security as much as possible. It would help not to have to pay state taxes on your benefits. Fortunately, 41 states don't tax Social Security. Knowing ...

The average investor can find lucrative investment ideas by following the experts. Bill Ackman, the billionaire hedge fund manager who runs Pershing Square Capital Management, is one such professional ...

Late last month, Firefly announced that Northrop Grumman has invested $50 million into accelerating the development of the ...

Billionaire Elon Musk is fighting to make sure federal tax incentives for electric vehicles (EVs) -- a key subsidy that makes ...

If you're monitoring Tesla stock, here are two numbers you need to be tracking.

Here's how billionaires Tepper, who oversees $8.3 billion, and Laffont, who manages $22 billion, took action on Nvidia and ...

Upon taking over GameStop, Cohen called for "extreme frugality," saying every expense must be examined and all waste ...