Amgen Said to Boost Onyx Pharmaceuticals Bid to $130 a Share

Amgen Said to Boost Onyx Pharmaceuticals Bid to $130 a Share

Amgen Inc. via Bloomberg

While Amgen Inc.’s $120-a-share bid was 37 percent more than Onyx Pharmaceuticals Inc.’s 20-day average before it was disclosed, the stock soared past that price after it became public, signaling investors expected competing offers.