Intel

(INTC) - Get Report

, not surprisingly, was the volume leader in extra-session Instinet trading as details began to emerge from the company's midquarter update.

The chip giant was ticking down 0.4% to $32.85 after the company

forecast first-quarter revenue of $6.6 billion to $6.9 billion, eliminating both the high and low ends of its previous estimates. In regular Nasdaq trading, Intel tacked on 2 cents to $32.98.

Sun Micro

(SUNW) - Get Report

, as usual, was among the volume leaders, but on Thursday the company actually had news. On a conference call with analysts, the company said it still expects revenue in the current quarter to rise sequentially, but Sun executives again indicated that orders could come in too late in the quarter to be counted toward the top line. The stock was up 4.1% to $9.19.

Sepracor

(SEPR)

, the biggest Nasdaq loser of the day, slipped another 1.7% to $19.30. The biotech company's stock fell more than 58% in regular action after the Food and Drug Administration said its allergy drug

wasn't yet approvable.

Elsewhere, the

Nasdaq 100 Unit Trust

(QQQ) - Get Report

was up 0.1%, as was

Cisco

(CSCO) - Get Report

.

WorldCom

(WCOM)

was inching up 0.2%.

Dell

(DELL) - Get Report

was off 0.2%, and

Microsoft

(MSFT) - Get Report

was unchanged.

Applied Materials

(AMAT) - Get Report

was up 0.1%,

Oracle

(ORCL) - Get Report

was down 0.3%, and the

S&P 500 Depositary Receipts

(SPY) - Get Report

were ticking ahead by 0.1%.

A.C.L.N.

(ASW)

, which has been the subject of several Herb Greenberg articles on

RealMoney.com

, was tanking 23.7% to $8 after the bell. Following the close, the car-shipping company, which is under investigation by the Securities and Exchange Commission, said three directors have resigned from the board of directors.

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