DOW JONES NEWSWIRES

Media giant News Corp. (NWSA, NWS) is set to replace Wyeth (WYE) on the S&P 100 index, as the pharmaceutical company is being acquired by rival Pfizer Inc. (PFE).

Thin-film solar panel maker First Solar Inc. (FSLR) will replace Wyeth in the S&P 500.

Standard & Poor's Index Service didn't disclose when the changes would occur, as Wyeth's deal with Pfizer is still pending for final approval.

News Corp. is the owner of Dow Jones & Co., the publisher of this newswire.

First Solar's shares were up 4.9% to $150.84 in after-hours trading, while News Corp.'s Class A shares were up 1% to $11.46.

-By John Kell, Dow Jones Newswires; 212-416-2480; john.kell@dowjones.com