NEW YORK (CNNfn) - Ariba plunged in after-hours trading Wednesday after the e-business software maker announced Wednesday that improved revenue helped it beat Wall Street's fourth-quarter expectations.
The broadband networking solutions Extreme Networks plummeted in after-hours trading Wednesday after the company reported it beat Street estimates.
RealNetworks dipped after the company announced earnings figures for the quarter. RealNetworks said advertising revenue would dip, confirming fears that have battered the company's stock in recent days.
The high-speed communications semiconductor Broadcom was a winner after the company reported better-than-expected third-quarter earnings.
Wednesday's after-hours losers
Ariba (ARBA: Research, Estimates) down $9.97 to $117.09. The e-business network services provider on Wednesday said it had a fourth-quarter net loss of $1.1 million, or zero cents a share before extraordinary charges, compared with a net loss of $4.6 million, or 3 cents a share in the year-ago period.
Extreme Networks (EXTR: Research, Estimates) down $5.06 to $102.06. The maker of Internet router and switch equipment reported Wednesday a record profit for its fiscal first quarter, but saw its stock plunge after-hours before stabilizing.
Conexant (CXNT: Research, Estimates) down $4.31 to $22.The modem chip maker on Wednesday met analysts' expectations in its fourth quarter earning report, but forecast lower revenues for the next quarter due to
slipping demand.
Westell Technologies (WSTL: Research, Estimates) down $3.37 to $5.63. The communications equipment firm on Wednesday reported lower-than-expected fiscal second quarter earnings and lowered its guidance through fiscal 2002.
Apple (AAPL: Research, Estimates) down $2.84 to $17.28. Apple Computer on Wednesday reported earnings that fell slightly short of the analysts' forecasts, which had been reduced last month after the company warned of a sales shortfall.
Check Point Software Technologies (CHKP: Research, Estimates) down $1.12 to $163.75. The Israeli network security company reported third-quarter earnings that more than doubled, easily beating Wall Street's expectations.
Wednesday's after-hours winners
Broadcom (BRCM: Research, Estimates) up $8.56 to $217.94. The high-speed communications semiconductor on Wednesday reported better-than-expected third-quarter earnings, on strong revenue growth fueled by high-speed Internet access demand.
Microsoft (MSFT: Research, Estimates) up $4.19 to $54.94. Microsoft on Wednesday posted a quarterly profit that soundly beat Wall Street estimates, saying performance was solid across all its businesses and that it was bullish about its key product, Windows 2000.
Akamai Technologies (AKAM: Research, Estimates) up $3.62 to $44. Akamai on Wednesday reported a lower-than-expected third-quarter loss of 60 cents a share as demand rose for its services that speed video and Web pages over the Internet.
AOL (AOL: Research, Estimates) up $2.84 to $49.75. The world's biggest provider of online services reported Wednesday a first-quarter profit that beat Wall Street analysts' expectations, amid strong subscriber growth and Internet commerce results.
Terayon Communication Systems (TERN: Research, Estimates) up $1.38 to $21.25. The maker of broadband access systems reported its third-quarter revenue more than quintupled to $125.3 million from $23.4 million in the year-earlier period.
Intel (INTC: Research, Estimates) up $1.25 to $39.44. The world's largest supplier of PC microprocessors turned in a third-quarter profit of 41 cents per share late Tuesday, exceeding analysts' recently reduced forecasts.
Sun Microsystems (SUNW: Research, Estimates) up $2.56 to $112.88. Sun Microsystems reported a fiscal first-quarter profit Wednesday that beat Wall Street's expectations on sales that rose 60 percent from the year-earlier period.
IBM (IBM: Research, Estimates) up 56 cents to $96. The computer hardware, software and services company reported third-quarter income that was in line with analyst estimates, although its revenue fell short of forecasts.
Wednesday's after-hours newsmakers
Corning (GLW: Research, Estimates) up 50 cents to $90.88. Corning said Wednesday that it plans to commence a dual installment offering of convertible debt and common stock. The company will offer 30 million shares of newly issued common stock, and will raise approximately $1.2 billion in gross proceeds through an offering of zero-coupon convertible debentures. The public offerings are being lead managed by Goldman Sachs & Co.
RealNetworks (RNWK: Research, Estimates) up 38 cents to $15.25. The Web streaming media software company Tuesday reported a third-quarter profit in line with forecasts on revenue that nearly doubled year-earlier levels. But RealNetworks said advertising revenue would dip, confirming fears that have battered the company's stock in recent days.
Texas Instruments (TXN: Research, Estimates) up 87 cents to $37.75. The world's no. 1 maker of computer chips for Mobile phones, on Wednesday said third-quarter net income rose 31 percent, meeting expectations, on broad demand for its chips for wireless and Internet communications devices.
WorldCom (WCOM: Research, Estimates) up 31 cents to $24.25. The data and telephone services company is likely to create a tracking stock for its consumer and wholesale operations, rather than selling or spinning off the units, sources familiar with the situation said.
Tumbleweed Communications (TMWD: Research, Estimates) up 41 cents to $18.22. The provider of secure Internet e-mail services reported third-quarter losses that were slightly less than expected, but its stock still declined sharply. Chief Executive Officer Jeffrey Smith said investors might be concerned that the company's third-quarter accounts receivables line more than tripled from the year-earlier quarter, a bump Smith attributed to a one-time accounting change.
Copper Mountain Networks (CMTN: Research, Estimates) up 28 cents to $10.12. The communications company announced a third-quarter profit late Tuesday that edged higher than estimates, but said fourth-quarter and 2001 earnings would fall short amid a downturn in demand from its customers.
Ixia (XXIA: Research, Estimates) up 88 cents to $21.38. The provider of computer network performance analysis systems priced an initial public offering of 5.5 million shares Tuesday at $13, above its expected range of $10 to $12.
MP3.com (MPPP: Research, Estimates) up 25 cents to $4.25. The National Music Publishers' Association and controversial music Web site MP3.com have reached a preliminary settlement that will make more than a million musical compositions available on My.MP3.com.
Turnstone Systems (TSTN: Research, Estimates) up 31 cents to $21.25. The digital-subscriber line company reported third-quarter earnings that beat Wall Street expectations by 3 cents a share.
PeopleSoft (PSFT: Research, Estimates) down 44 cents to $40.75. Goldman Sachs, Lehman Brothers and ING Barings upgraded the business management software company after it reported third-quarter earnings that beat analysts' expectations.
Accrue Software (ACRU: Research, Estimates) up 19 cents $3.62. The e-commerce software company reported fiscal second-quarter earnings that matched Wall Street estimates.
Genzyme Molecular (GZMO: Research, Estimates) down 12 cents to $13.88. The company, which makes cancer-fighting products, is expected to report earnings on Thursday.
Quintus (QNTS: Research, Estimates) unchanged at $5.56. The online customer-relations company reported fiscal second-quarter losses 2 cents a share worse than analysts expected.
Dell (DELL: Research, Estimates) up 62 cents to $26.88. Some PC makers and semiconductor stocks rose on Intel's news.
Xircom (XIRC: Research, Estimates) up 44 cents to $13.50. The mobile Internet-connection company reported fiscal fourth-quarter earnings that missed Wall Street estimates by 3 cents a share.
RF Micro Devices (RFMD: Research, Estimates) up 75 cents to $15. Analysts downgraded the company, which makes amplifier microchips for wireless communications devices, after it said Tuesday that its lower-than-expected order activity in the second quarter would hurt revenue in the third quarter.
Covad Communications Group (COVD: Research, Estimates) up 25 cents to $3.81. The broadband services provider reported a wider-than-expected third-quarter loss Tuesday and said tight financial markets are causing some clients to have trouble paying bills, leading Covad to reduce its own sales by about $11.4 million.
Centillium Communications (CTLM: Research, Estimates) up $1 to $34. The broadband company fell despite posting a third-quarter loss that beat Wall Street estimates by 9 cents a share.
ANTEC (ANTC: Research, Estimates) up 69 cents $12.25. The communications technology company reported a decline in third-quarter earnings and said earnings will trail expectations in the fourth quarter and next year.
Pegasus Solutions (PEGS: Research, Estimates) down $1 at $15.25. The company, which makes reservation systems for hotels, said it has entered into a technology agreement with American Express Europe. 
-- compiled by Antoinette Coulton, Mark Gongloff, and Parija Bhatnagar from staff and wire reports
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