Stocks that moved substantially or traded heavily Monday:
Molina Healthcare Inc., down $11.72 to $120
Insurers, hospitals and other health care companies fell after a Texas judge ruled that the 2010 Affordable Care Act is unconstitutional.
PG&E Corp., down $1.57 to $24.44
California regulators said they opened an investigation into whether the utility falsified gas pipeline safety records.
ABB Ltd., down 30 cents to $19.10
The industrial automation company agreed to sell its power grid business to Hitachi of Japan.
Goldman Sachs Group Inc., down $4.76 to $168.01
Malaysia filed criminal charges against Goldman and two former executives for their role in the alleged multibillion-dollar ransacking of a state investment fund.
Fidelity Southern Corp., up $3.40 to $24.82
The bank agreed to combine with Ameris Bancorp, another financial company headquartered in Georgia.
Jack in the Box Inc., up $1.70 to $82.03
The fast food chain said it is exploring strategic as well as financial options to improve value for shareholders.
Deutsche Bank AG, down 20 cents to $8.60
European stocks sank Monday and Germany's main stock index entered a "bear market."
State Street Corp., up 36 cents to $63.89
Bank stocks performed better than the rest of the U.S. market Monday.