Stocks in Motion: Vail Resorts

Shares of Diana Shipping(DSX Quote) fell 5% after the company completed a follow-on offering of 5 million shares at $13.50 a share. The offering represented a 4% discount to Tuesday's closing price of $14.08. The shipping transportation company also granted underwriters a 30-day option to purchase an additional 750,000 shares to cover over-allotments. Shares were trading down 77 cents to $13.31.

Lufkin Industries(LUFK Quote) rose 8% after Standard & Poor's said it plans to add the provider of oil-field pumping units to its S&P 600 index after the close of trading Dec. 13. Lufkin will replace Spinnaker Exploration(SKE Quote), which is being acquired by Norway-based Norsk Hydro(NHY Quote). Shares of Lufkin recently gained $3.99 to $52.47.

Navigant Consulting (NCI Quote) also got a boost from an S&P move. The consulting company will replace York International (YRK Quote) in the S&P MidCap 400 following the close of trading Friday. York is being acquired by Johnson Controls(JCI Quote). Navigant shares rose 8%, or $1.73, to $22.54.

NYSE volume leaders included Pfizer(PFE Quote), down 4 cents to $21.10; International Coal(ICO Quote), down 22 cents to $11.11; XL Capital(XL Quote), up 3 cents to $65.68; Exxon Mobil(XOM Quote), down 24 cents to $59.45; Newmont Mining(NEM Quote), up $1.08 to $49.83; Nokia(NOK Quote), up 15 cents to $17.82; Ford(F Quote), up 13 cents to $8.24; and Lucent Technologies(LU Quote), down 6 cents to $2.80.

Nasdaq volume leaders included Cisco Systems (CSCO Quote), up 30 cents to $17.86; Sun Microsystems(SUNW Quote), up 6 cents to $4.15; Intel(INTC Quote), down 33 cents to $26.34; Microsoft(MSFT Quote), down 4 cents to $27.65; Sirius Satellite(SIRI Quote), up 7 cents to $7.28; Apple Computer(AAPL Quote), down 69 cents to $73.36; JDSU(JDSU Quote), up 2 cents to $2.73; and Oracle(ORCL Quote), down 4 cents to $12.48.