HEADLINE STOCKS-Some U.S. stocks on the move on July 2

(Updates to afternoon trading, adds Boeing, Acuity, Coeur D'Alene, Carnival Corp and TiVo. Updates Walgreen entry with Rite Aid)

NEW YORK, July 2 (Reuters) - Some U.S. stocks on the move on Friday:

ELAN CORP (ELN.N)

JOHNSON & JOHNSON (JNJ.N)

J&J will take over most of Elan's Alzheimer's research and invest $1 billion in new Elan equity in exchange for an 18.4 percent stake in the drugmaker. [ID:nL2891369]

U.S.-listed shares of Elan surged 13 percent to $7.94 while J&J, a Dow component, was down 1.5 percent to $56.19.

EXELON CORP (EXC.N)

NRG ENERGY INC (NRG.N)

Exelon raised its hostile takeover bid for NRG to $7.45 billion, citing newly identified cost savings and NRG's recent acquisition of Reliant Energy's retail business. [ID:nBNG512453]

Shares of Exelon fell 4.1 percent to $49.45 while NRG fell 5.1 percent to $24.73 after rising in premarket.

BOEING CO (BA.N)

The planemaker delivered 125 commercial aircraft during its second quarter, down one delivery from the year-ago period. [ID:nN0264659]

Shares of the Dow component sank 2.9 percent to $41.

CARNIVAL CORP & PLC (CCL.N)

The cruise ship operator said it was offering up to 25 million newly-issued common shares listed on the London Stock Exchange. [ID:nN027992]

Shares fell 3.8 percent to $25.27 on the New York Stock Exchange.