Updated from 4:50 p.m. EST

The selling pressure of the regular session eased in after-hours trading, with the majority of the top volume movers managing to at least hold steady with their

4 p.m. EST closing levels.

That's not to say there weren't notable losers, including

Veritas Software

(VRTS) - Get Report

. After the close, the company posted fourth-quarter earnings, excluding items, of 15 cents a share, topping estimates by 2 cents. Including items, Veritas lost 51 cents. The company also raised its revenue guidance for the first quarter, but the stock was dropping 4.1% to $44.25.

Intersil's

(ISIL)

fourth quarter beat the consensus expectation by a penny, and the company said it expects to exceed first-quarter estimates by the same amount, but the shares sold off 4.8% to $30.25.

In the first half-hour of extra trading, around 3.3 million shares changed hands among the top-20 volume movers on the Instinet platform.

Tyco

(TYC)

was the top volume mover, but the stock was flat with the regular-session close. During regular trading, Tyco lost almost 20%.

WorldCom

( WCOM), which was also roughed up in regular trading, inched up 0.8% to $10.48.

Intel

TST Recommends

(INTC) - Get Report

was up 0.4% to $32.82, and

Cisco

(CSCO) - Get Report

was ticking higher by 0.3% at $19.06. The

Nasdaq 100 Tracking Stock

(QQQ) - Get Report

was slipping 0.1% to $37.96.

Oracle

(ORCL) - Get Report

was unchanged at $16.50, and

Dell

(DELL) - Get Report

was gaining 0.2% to $27.24.

Microsoft

(MSFT) - Get Report

was flat at $62.35.