“Microsoft Corp., the world’s biggest software maker, made an unsolicited $44.6 billion offer for Yahoo! Inc. to challenge Google Inc.’s dominance in Internet search services and advertising.The $31-a-share bid of cash or Microsoft stock is 62 percent more than Yahoo’s closing price yesterday. Before today, Yahoo had dropped 18 percent this year in Nasdaq Stock Market trading, and said this week that fourth-quarter profit fell 23 percent.” – Bloomberg