Updated from 3:16 p.m. EDT

Safeguard Scientifics

(SFE) - Get Report

shares bounced Friday after news of the $254 million sale of software services company

CompuCom

(CMPC)

to Los Angeles private investment firm Platinum Equity.

Safeguard has a 58% voting interest in CompuCom, whose shareholders will receive $4.60 a share under terms of the deal, which includes $35 million in debt financing.

Safeguard shares closed up 11 cents, or 4.51% to $2.55, after hitting a 52-week low of $2.05 last week. About 5 million shares changed hands in recent trading, while CompuCom closed down 35 cents a share, or 7.23% to $4.49 in recent trading of 849,820 shares, about eight times the average volume.

El Paso Corp.

( EP) ran low on juice after delaying

Securities and Exchange Commission

filings and announcing that doing so may have taken it out of compliance with the obligations of its public indentures and other financing arrangements. The Houston energy company planned a conference call Friday to provide an update on its finances and operations.

Shares dimmed 52 cents, or 6.73%, to close down $7.21 on volume of 12.8 million shares.

Blue Coat Systems

( BCSI) was a volume leader and loser on the

Nasdaq

, as its shares peeled off $11.45, or 29.17%, to close at $27.80. About 4.9 million shares were exchanged -- more than 10 times its average daily volume -- after the Sunnyvale, Calif., Web security equipment maker reported weaker-than-expected quarterly earnings late on Thursday.

Blue Coat's fourth-quarter earnings were 20 cents a share, well short of the 24-cent analyst estimate from Thomson First Call. Blue Coat also forecast first-quarter earnings of 20 to 21 cents a share, also shy of analysts' 24-cents consensus estimate.

Big Board volume leaders included

Nortel Networks

( NT), which was boosted by a cautious endorsement from Lehman Brothers, as the broker set a price target of $7.50 a share. Nortel closed down 1 cent a share, or 0.26%, to $3.83 on volume of 27 million shares.

Other Big Board volume leaders included

Lucent Technologies

( LU),

Tyco International

(TYC)

and

General Electric

(GE) - Get Report

.

Active

Nasdaq

stocks were topped by

Intel Corp.

(INTC) - Get Report

,

Cisco Systems

(CSCO) - Get Report

,

Microsoft

(MSFT) - Get Report

,

Applied Materials

(AMAT) - Get Report

and

Sun Microsystems

(SUNW) - Get Report

.

Wendy's Sizzles, Riggs Rebounds

Other gainers in a day of light trading included both the A and B shares of

Agere Systems

(AGRA)

and

(AGRB)

, which rallied after its Wednesday posting of positive earnings results for its second quarter.

The maker of personalized broadband devices saw a profit of 4 cents a share on income of $83 million, up from a loss of 6 cents a share on losses of $105 million in the year-ago period.

The A shares closed up 13 cents, or 5.39% to $2.54 on volume of 9.4 million shares in recent trading, and the B shares climbed 16 cents, or 6.99% to close at $2.45 on volume of 4.6 million shares, reversing a slide that began in late April and saw prices on the B shares drop to a 52-week low May 20.

Wendy's International

(WEN) - Get Report

saw a technical climb, probing its 200-day simple moving average as it closed up $1.65, or 4.57%, to $37.79 in trading of 2 million shares.

On the Nasdaq,

Ditech Communications

( DITC) rose $4.67, or 29.33%, to close at $20.59 on volume of 7.5 million shares.

Late Thursday, the telecommunications equipment maker posted better-than-expected quarterly results of 24 cents a share, above analysts' expectations of 20 cents a share.

Riggs National Corp.

(RIGS) - Get Report

, the Washington, D.C., bank battered by a money-laundering scandal earlier this year, rose after confirming it was looking for a buyer and had hired Lehman Brothers as an advisor.

Riggs closed up $3.10, or 16.54% to $21.84 on volume of 1.6 million shares, about seven times its normal volume.

India's

Mahanagar Telephone Nigam

(MTE)

saw its American depositary shares slide Friday after a government ruling by new IT and communications minister Dayanidhi Maran curbed prospects for full privatization. Shares closed down 58 cents, or 9.05%, at $5.83.

Curative Health Services

(CURE) - Get Report

saw sickly results after a downgrade by Southwest Securities, closing down $1.98, or 15.85% at $10.52 a share, on volume of 743,017, more than triple normal volumes.

Manugistics Group

(MANU) - Get Report

, a maker of supply chain management software, also tumbled on downgrades from JMP Securities and RBC Capital Markets. Shares closed down 55 cents, or 11% to $4.45 on volume of 3.9 million shares.

Big Board losers included

Coeur D'Alene Mines Corp.

(CDE) - Get Report

, which dropped 37 cents, or 7.31%, to close at $4.69 after making a bid for Canadian mining company

Wheaton River

( WHT). Wheaton River, whose shares rose earlier in the week, dipped a penny to $2.91.