Updated from 1:31 p.m. EDT

Proxim

(PROX)

raced 27.9% higher Thursday after the company announced that it would be collaborating with

Intel

(INTC) - Get Report

to develop and deliver advanced wireless-networking stations.

The deal calls for the two companies to develop base stations and subscriber unit access points that will deliver fast wireless access for data, voice and video services using the 802.16 protocol known as WiMAX. Proxim will provide its core wireless software capabilities and Intel will provide the architecture, including hardware and software components. Shares of Proxim traded up 31 cents to $1.42 on volume of 22.3 million shares. Shares of Intel traded down 49 cents, or 1.7%, to $27.63.

Shares of

Ford

(F) - Get Report

traded actively after the automaker raised its second-quarter earnings outlook and boosted its operating income guidance for the full year. Citing strength in its financial services division, Ford said that second-quarter operating earnings -- excluding items -- are now expected to be 45 cents to 50 cents a share vs. previous estimates of 30 cents to 35 cents a share. Analysts polled by Thomson First Call were expecting the company to earn 42 cents a share. Ford also expects operating income of $1.65 to $1.75 a share during 2004 vs. its previous estimate of $1.50 to $1.60 a share. Analysts expect the company to earn $1.88 during 2004. Shares of Ford traded up 1 cent to $15.64 on volume of 9.6 million shares.

Jabil Circuit

(JBL) - Get Report

slumped 12.7% after the contract manufacturer delivered in-line third-quarter financial results but warned that fourth-quarter results would fall short of expectations. Excluding items, Jabil earned 26 cents a share on sales of $1.6 billion in the third quarter. Analysts were looking for the company to earn 26 cents a share on sales of $1.61 billion. Looking ahead, the company said that fourth-quarter earnings would come in between 25 cents and 27 cents a share on sales of between $1.6 billion and $1.65 billion. Analysts had been expecting Jabil to earn 28 cents a share on sales of $1.69 billion. Shares of Jabil traded down $3.56 to $24.49 on volume of 14.3 million shares.

In addition to Ford and Jabil Circuits,

NYSE

volume leaders included

Nortel

(NT)

, up 31 cents to $4.40;

General Electric

(GE) - Get Report

, up 25 cents to $32.36;

Lucent

(LU)

, down 6 cents to $3.49; and

Texas Instruments

(TXN) - Get Report

, down 91 cents to $23.25.

In addition to Proxim,

Nasdaq

volume leaders included

Microsoft

(MSFT) - Get Report

, up 29 cents to $27.61;

Sirius Satellite Radio

(SIRI) - Get Report

down 5 cents to $3.09;

Cisco

(CSCO) - Get Report

, down 52 cents to $23.36; and

Oracle

(ORCL) - Get Report

, down 21 cents to $11.14.

Among notable Nasdaq price movers,

Supportsoft

(SPRT) - Get Report

rose after the company announced an agreement with

BellSouth

(BLS)

for the development of software that will help automate BellSouth's next generation of wireless and wireline services, VoIP and bandwidth-on-demand products. The agreement represents an expansion of the relationship the two companies already have. Shares of Supportsoft traded up $1.94, or 27.5%, to $9.

After rising almost 78% on Wednesday, shares of

Cyberonics

(CYBX)

were off to the races again on Thursday. Shares of Cyberonics climbed Wednesday after a brokerage floated the idea it could be a takeover candidate for

Boston Scientific

(BSC)

. Shares of Cyberonics closed the session up $3.59, or 10.3%, to $38.40.

Shares of

Sonic Innovations

(SNCI)

rebounded Thursday, just days after the maker of digital hearing aids said that weakness in its German business would cause it to report weaker-than-expected second-quarter results. On Tuesday, shares of Sonic Innovations fell 38% on the news. Shares of Sonic Innovations traded up 48 cents, or 7.9%, to $6.54.

Shares of trucking company

Central Freight

(CENF)

crashed after it warned that second-quarter earnings would swing to a loss instead of a profit. Instead of earning 4 cents to 8 cents a share, as previously forecasted, the company now expects to report a loss of 20 cents to 25 cents a share, which excludes a one-time gain. Analysts were expecting the Waco, Texas, company to report second-quarter earnings of 6 cents a share. Shares of Central Freight traded down $3.99, or 31.8%, to $8.55.

Simpletech

(STEC)

fell after the computer memory company lowered its sales outlook for the second quarter. It now expects to deliver revenue of $53 million to $56 million, down from its previous forecast of $66 million. Analysts were looking for the company to deliver sales of $66.2 million. The company also announced the closure of its Xiran division, citing lower-than-expected revenue generation from the unit. Shares of Simpletech traded down 91 cents, or 20.9%, to $3.44.

On the Big Board, shares of

Winnebago Industries

(WGO) - Get Report

rolled along after the maker of motor homes reported better-than-expected third-quarter earnings and sales results. Excluding items, the company earned 51 cents a share on sales of $310.2 million during the latest period. Analysts were looking for the company to earn 46 cents a share on sales of $281.6 million. Shares of Winnebago Industries traded up $4.85, or 15.2%, to $36.85.

Shares of

Fleetwood Enterprises

(FLE)

, a leader in recreational vehicle sales and a retailer of manufactured housing, got a lift Thursday on the heels of Winnbago's stellar earnings results. Investors bid up shares of Fleetwood after Winnebago reported strong sales across the board. Shares of Fleetwood traded up $1.15, or 8.6%, to $14.51.

Leggett & Platt

(LEG) - Get Report

rose 12.4% after the company raised its second-quarter and full-year earnings and sales outlook. Leggett expects to earn between 35 cents and 40 cents a share during the second quarter vs. previous expectations of 31 cents to 36 cents a share. Sales, meanwhile, are expected to exceed $1.25 billion, up from the company's previous guidance. Analysts had been expecting the company to earn 33 cents a share on sales of $1.19 billion. For the full year, it expects to earn $1.30 to $1.45 on sales of $4.8 billion to $5.1 billion. Previously, it forecasted earnings of $1.20 to $1.35. Analysts were expecting the company to earn $1.32 a share on sales of $4.83 billion. Shares of Leggett & Platt traded up $2.95 to $26.66.

Lone Star Technologies

(LSS)

jumped 7.2% after the company boosted its second-quarter earnings outlook. Citing a better pricing environment and increased demand for its products, the company said that it now expects to deliver earnings of 90 cents to $1.15 a share. Analysts had been expecting it to earn just 34 cents a share. Shares of Lone Star Technologies traded up $1.68 to $25.16.

Shares of

NBTY

(NTY)

fell 26.1% after the vitamin maker said that third-quarter results would be weaker than expected. What's more, weak sales in April and May are likely to continue through June, the company said. Despite the short-term stumble, the company remains optimistic longer term. Shares of NBTY traded down $9.51 to $26.99.

IMCO Recycling

(IMR)

slid 10.6% after the company agreed to acquire

Commonwealth Industries

(CMIN)

for about $176 million in stock. Under the terms of the deal, Commonwealth shareholders will receive 0.815 shares of IMCO for every Commonwealth share they hold. The combined companies will have about $2 billion in sales. Shares of IMCO traded down $1.42 to $12.01. Shares of Commonwealth Industries traded up 86 cents, or 10%, to $9.46.