NEW YORK (AP) â¿¿ Stocks that moved substantially or traded heavily Thursday on the New York Stock Exchange and Nasdaq Stock Market: NYSE Alcoa Inc., up 44 cents at $13.38 The CEO of the aluminum producer said, in a Financial Times interview, that he expects long-term demand for the metal to grow faster than supply. Humana Inc., down $1.24 at $56.81 The health insurer expects its 2011 earnings per share to fall by about a dollar from this year. Williams-Sonoma Inc., down $3.71 at $32.09 The home furnishings retailer raised its guidance because it expects ample holiday sales, but investors were expecting an even brighter outlook. Cardinal Health Inc., up $2.09 at $36.56 The drug wholesaler is buying drug distributor Kinray Inc. for $1.3 billion in a push to expand its business in the Northeast. NASDAQ Dendreon Corp., up $2.36 at $38.23 A panel of experts effectively recommended the government's Medicare program pay for the company's $93,000 prostate cancer drug, Provenge. Staples Inc., up 39 cents at $20.47 The office products retailer said lower expenses and higher revenue boosted quarterly net income by 7 percent. DryShips Inc., up 40 cents at $5.59 Third-quarter profit jumped and the shipping company said business should improve on its offshore oil rigs. SmartHeat Inc., down 65 cents at $5 The Chinese company, which makes energy-saving products, offered 5 million common shares to investors.