Ticker Talk

In a long-awaited move, AT&T; Corp. (T) filed Wednesday evening to raise as much as $100 million in an initial public offering for a tracking stock to represent its wireless services business. The company did not say how many shares it plans to offer or in what price range in the preliminary prospectus filed with the Securities and Exchange Commission. . . . Trying to spruce up its drab shares, Sherwin-Williams Co. (SHW) will boost its quarterly dividend and buy back as many as 20 million shares, or 12%, of its common stock. The paint maker will raise its dividend to 13.5 cents a share from 12 cents, payable March 13 to holders of record Feb. 28. The stock fell 94 cents to $17.50 on the New York Stock Exchange, bringing its year-to-date loss to 17%.