The maker of custom semiconductor products took off 31.2% on news of a buyout.

Security Capital Assurance plummets.

The average tech fund that doesn't short stocks lost 2.33% for the week ending Thursday.

Charles & Colvard falls on a profit slide.

New partnerships helped Hoku Scientific and Clearwire soar, boosting tech stocks.

Elon Musk will soon allow Dogecoin to purchase SpaceX merchandise.

The theme park company has opened Guardians of the Galaxy: Cosmic Rewind and not everyone is happy despite the ride getting wonderful reviews.

Aurora is slashing its production capacity as it builds a runway toward positive Ebitda a year from now.

Costco took in $984 million in new membership fee in its fiscal third quarter, helping the bulk retailer top Street forecasts for topline revenues.