Updated from 11:23 a.m. EDT

Shares of

United Natural Foods

(UNFI) - Get Report

were among the

Nasdaq's

winners Tuesday, rising 1.2% after the company posted third-quarter results that beat expectations and raised its full-year sales forecast.

Excluding items, the natural foods distributor earned $10.8 million, or 26 cents a share, on sales of $534.3 million. Analysts polled by Thomson First Call were expecting earnings of 25 cents a share on sales of $527.5 million. A year ago, the company earned $8.6 million, or 21 cents a share, on sales of $448.9 million. Looking ahead, United Natural Foods now expects full-year sales of $2 billion to $2.05 billion, up from previous guidance of $1.9 billion to $2 billion. Analysts are expecting sales of $2.02 billion. Shares traded up 39 cents to $34.39.

Conn's

(CONN) - Get Report

shares rose 0.8% after the company posted first-quarter earnings that were better than expected. The retailer posted earnings of $9.8 million, or 41 cents a share, on sales of $158.2 million. Analysts were expecting earnings of 38 cents a share on sales of $149.7 million. A year ago, the company earned $7.8 million, or 33 cents a share, on sales of $134.9 million. Looking ahead, Conn's reiterated its full-year earnings outlook, saying that it believes that earnings in the range of $1.40 to $1.46 a share is achievable. Analysts are expecting earnings of $1.46 a share. Shares traded up 15 cents to $19.09.

Shares of

Vitran

(VTNC)

rose 7.8% after the company said it would acquire

Chris Truck Line

for $29.3 million in cash and stock. The company said that Chris Truck Line shareholders would receive $26.5 million in cash and $2.8 million in stock. Looking ahead, Vitran now expects 2005 earnings of $1.35 to $1.47 a share, up from previous guidance of $1.23 to $1.35 a share. Analysts are expecting earnings of $1.30 a share. Shares traded up $1.10 to $15.13.

Calpine

(CPN)

rose 10.4% after the company said it agreed to sell its Saltend Energy Center for $925 million. The deal calls for a purchase price of $906 million, plus adjustments for working capital of about $19 million. Calpine is selling the British power plant to Britain's

International Power

and Japan's

Mitsui & Co.

The Saltend power plant was originally bought by Calpine in August 2001 for $810 million. Proceeds from the sale will be used to redeem two series of redeemable preferred shares for about $620 million. Shares traded up 28 cents to $2.98.

Shares of

US Xpress Enterprises

( XPRSA) rose 11% after the company announced the sale of its airport-to-airport operations. As part of the deal, US Xpress will turn over its customer list and a noncompete agreement to

Forward Air

(FWRD) - Get Report

in exchange for about $12.8 million in cash. US Xpress expects to record a pretax charge of about $2 million to $3.5 million. The company's airport-to-airport operations generated about $57 million in sales for the year ended Dec. 31, 2004. US Xpress plans to use the proceeds from the sale to pay outstanding debt. Shares traded up $1.21 to $12.21.

NYSE

volume leaders included

Sprint

( FON), up 43 cents to $23.69;

Pfizer

(PFE) - Get Report

, down 45 cents to $27.90;

Lucent Technologies

( LU), down 2 cents to $2.81;

Exxon Mobil

(XOM) - Get Report

, down 60 cents to $56.20;

General Electric

(GE) - Get Report

, down 40 cents to $36.48; and

American International Group

(AIG) - Get Report

, down 85 cents to $55.55.

Nasdaq volume leaders included

Intel

(INTC) - Get Report

, down 43 cents to $26.96;

Cisco Systems

(CSCO) - Get Report

, down 39 cents to $19.40;

Sirius Satellite Radio

(SIRI) - Get Report

, up 4 cents to $6.01;

Microsoft

(MSFT) - Get Report

, down 27 cents to $25.80;

Oracle

(ORCL) - Get Report

, down 5 cents to $12.80;

Applied Materials

(AMAT) - Get Report

, down 23 cents to $16.42;

Sun Microsystems

(SUNW) - Get Report

, down 6 cents to $3.81;

Google

(GOOG) - Get Report

, up $11.27 to $277.27; and

Tibco Software

(TIBX)

, up 1 cent to $6.34.