Many companies are taking a similar approach, but no one is quite sure if it'll help patients.

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

A little competition can greatly benefit patients. Shareholders may have a more difficult path to navigate.

Ark Innovation has dropped 54% this year but has enjoyed inflow of $1.2 billion over the past six months.

Asset manager Cathie Wood also bought shares of her flagship fund's No. 3 holding and shares of a cryptocurrency exchange.

Tesla CEO Musk discusses succession plans and Twitter with shareholders.

The company has made clear what it plans on the Las Vegas Strip, but it has a fast-approaching deadline.

Long-delayed futuristic looking electric vehicle will be in production by the middle of 2023