The return of Wood's flagship Ark Innovation ETF lagged behind the S&P 500 for the five years through July 5.

Ark ETFs also bought shares of a 3D printer maker and a robotics software provider.

Wood's Ark Investment Management continues its buying and selling of stocks -- mostly buying.

Ark Investment bought 1,185,460 shares of DraftKings Tuesday, and more than 300,000 shares each of Block and Roblox.

Real Money's Jonathan Heller says a portfolio of stocks with low NCAVs outperformed this year.

3D Systems and Stratasys were both downgraded to underweight from neutral.

The 3D printing technology company posts strong earnings but weak revenue, blaming it on U.S. partial government shutdown and the sputtering auto sector in Europe.

The year's biggest tech trade show featured eye-opening exhibits and announcements from a wide variety of companies.

Jim Cramer says some people are worried about tariffs and Turkey, but he's more concerned about spending patterns at home.

Universal Studios has begun construction on Epic Universe, its third theme park planned for Florida.

The e-commerce giant has just made a decision that suggests the health of the economy is not improving.

Solar stocks like Enphase Energy and First Solar are getting hit hard. Here's how to trade them from here.