Core and Group Health

The Washington state Legislature has passed a bill setting rules for insurers preparing for the state's online insurance exchange.

Generic drug maker Akorn Inc. said Tuesday its profit slipped 76 percent in the fourth quarter compared to a year earlier, when it sold off a joint venture.

Major insurance companies were among the hardest hit stocks as the broader markets fell Tuesday, after a report indicated that the killer tornadoes and severe storms that ravaged the United States could cause up to $2 billion in insured losses.

American International Group Inc. is selling part of its stake in AIA Group Ltd. to raise $6 billion as it continues to repay the $182 billion government bailout that prevented the company's collapse during the 2008 financial crisis.

The Ensign Group Inc.'s joint venture Immediate Clinic LLC has purchased urgent care franchise system Doctors Express.

Acadia Healthcare Co., a provider of inpatient behavioral health care services, said Monday that it has completed its acquisition of three inpatient psychiatric hospitals from Haven Behavioral Healthcare for $91 million in cash.