Stocks that moved substantially or traded heavily Wednesday on the New York Stock Exchange and Nasdaq Stock Market:
Tesoro Corp., up 95 cents at $24.10
A Barclay's analyst upgraded the oil refiner and increased its stock price target, saying restructuring efforts will improve results.
Kinetic Concepts Inc., up $7.42 at $66.20
Citing anonymous people, Bloomberg reported that private equity firms were talking about acquiring the health care products maker.
Bank of America Corp., down 26 cents at $10.74
The bank led declines of big financial companies. An investor objection could obstruct its $8.5 billion mortgage settlement.
News Corp., down 66 cents at $17.47
Britain's prime minister demanded an inquiry into the widening phone hacking scandal at the media company's U.K. tabloid, News of the World. Companies pulled ads from the newspaper.
Delta Petroleum Corp., up 1 cent at 46 cents.
The oil and gas producer has hired investment banks to advise it on "strategic alternatives," including a possible sale of the copmany.
Hutchinson Technology Inc., up 48 cents at $2.75
Because of growing shipments, the company forecast higher sales in the quarter ended in June than analysts had expected.
Immunogen Inc., up $1.16 at $13.37
A Jefferies analyst rated the company a "Buy," saying its T-DM1 drug candidate will become a standard treatment for breast cancer.
Ener1 Inc., up 6 cents at $1.06
A Wunderlich Securities analyst upgraded the battery maker to "Hold" after the company got funds to help pay its bills.