Street's Reaction To Yahoo's Discount Music Service

The news came out a bit too late for trading to have any reactions, but some intital stock price movements in after-hours trading:
-- Napster: Probably the one with most to lose from this Yahoo move: down 20 percent in after-hours...
-- RealNetworks: Rhapsody's in direct competition...stock down 11.92% in after hours..
-- Apple: Downloads, so maybe insulated a bit: stock down 2.55% in after hours...