United Healthcare saw an opportunity for efficiency. The antitrust authorities see improper industry consolidation.

Jim Cramer says there are many investors who believe Rivian will become the next Tesla and they're willing to buy in at any price.

Cantel Medical gains following an agreement to be bought by Steris for $84.66 a share in a deal that combines two of the larger providers of medical sterilization products.

PacWest Bancorp., Caterpillar, TAT Technologies, Change Healthcare and Summit Materials are five top stock gainers for Wednesday.

Stocks moving in premarket trading on Wednesday include Tesla, Walgreens, Alibaba and UnitedHealth.

UnitedHealth Group agrees to buy Change Healthcare in a deal that values the health technology company at more than $13 billion.

Hamid Kabani says his firm and other auditors often are victims of 'a one-sided view that paints everyone relating to China as a villain.' TheStreet's investigative series continues.

Capture the future trends in China, inflation and petroleum.

What can students learn from legendary investor Peter Lynch? Here's a look.

The takeover of the budget airline raises a key question for consumers.

Ark Innovation ETF has fallen 49% this year. Asset manager Cathie Wood just added a bunch of shares of graphics-chip specialist Nvidia.

Retailing giant Walmart wants to ensure its customers can get what they're looking for, however they want to buy it.