Stocks that moved substantially or traded heavily Monday on the New York Stock Exchange and Nasdaq Stock Market:
Berkshire Hathaway Inc., up $8,129 at $108,449
The holding company said it is buying back shares, a sign that its leader, Warren Buffett, thinks the shares are undervalued.
Eastman Kodak Co., down 64 cents at $1.74 The photo company borrowed $160 million from its revolving credit line, raising concern that the company may be running out of cash.
Boeing Co., up $2.50 at $62.01
After three years of delays, the aircraft maker finally delivered its first Boeing 787 Dreamliner to All Nippon Airways.
American Eagle Outfitters Inc., up 87 cents at $12.04
According to a Securities and Exchange Commission filing, the teen retailer's chairman bought $1 million in shares.
UBS AG, up 90 cents at $12.15
The bank's CEO, Oswald Gruebel, resigned over the weekend following a $2.3 billion loss cause by a rogue trader in London.
Generac Holdings Inc., up $3.02 at $18.59
The backup power generator maker boosted its outlook citing higher demand for its products following an increase in power outages.
Odyssey Marine Exploration Inc., up 20 cents at $2.86
The exploration company said it confirmed the location of a shipwreck that is believed to be holding $210 million worth of silver.
MELA Sciences Inc., up $1.75 at $4.93
The Food and Drug Administration issued an approvable letter to the medical device company for its skin cancer detector.