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.

Costco may consider boosting its membership fee for the first time in more than five years as it navigates slowing autumn sales and rising inflation pressures.

"We're seeking to transform a legacy brick-and-mortar business that was on the brink of bankruptcy ... this path carries risk and is taking time," said CEO Mike Furlong.

Wall Street is looking to snap a five-day losing streak as investors continue to worry that the Fed will be unable to engineer a so-called 'soft landing' for the world's biggest economy.