HEADLINE STOCKS-Some U.S. stocks on the move on Sept. 24

(Updates to afternoon trading, adds Chelsea, OSG America/Overseas Shipholding, Alexandria, Altra, Gaylord, Dendreon, Franklin Electric, Conexant)

NEW YORK, Sept 24 (Reuters) - Some U.S. stocks on the move on Thursday:

CITIGROUP INC (C.N), $4.44, down 1.8 pct

The bank plans to cut down its U.S. branch network to six big metropolitan areas, according to a late Wednesday report in the Wall Street Journal, which cited people familiar with the situation. [ID:nN23423147]

ELECTRONIC ARTS INC (ERTS.O), $19.17, down 3.3 pct

A Microsoft Corp (MSFT.O) executive said the software company had no plans to buy Electronic Arts, shooting down unsubstantiated talk of a potential bid that triggered a spike in the video game publisher's shares. [ID:nT61813]

CHELSEA THERAPEUTICS (CHTP.O), $2.64, down 62 pct

The company said its experimental drug to treat neurological disorder missed the main goal of a late-stage study. [ID:nBNG340801]

GAYLORD ENTERTAINMENT CO (GET.N), $20.39, down 6.5 pct

The company raised its share offering by 1 million shares to 6 million shares and priced it at $21.80 apiece, on par with Wednesday's closing price. [ID:nBNG344225]

DENDREON CORP (DNDN.O), $26.52, down 6.2 pct

The company plans to seek U.S. approval for its closely watched Provenge prostate cancer vaccine in November and expects regulators to act on the application by the middle of next year. [ID:nN2492608]

OVERSEAS SHIPHOLDING GROUP ING (OSG.N), $38.83, down 2.3 pct

OSG AMERICA LP (OSP.N), $10.13, up 16 pct

Overseas raised its offer price for OSG by 28 percent to $10.25 per unit in cash. [ID:nBNG349685]