Updated from 6:30 p.m.

On the heels of a

rally in the major indices today, investors -- who stocked up on Rolaids to survive this week's volatility -- stuck it out for a final round of after-hours trading.

For the second night in a row,

Dow Jones Industrial Average component


(HON) - Get Report

was the front-page story.

Earlier today,

United Technologies

, a manufacturer of products including air conditioners, aircraft engines and elevators, announced that it had scrapped merger talks with Honeywell.

In a brief statement this afternoon, United Technologies said that it ended the discussions after Honeywell "advised United Technologies that it is considering an alternative merger proposal received this morning." (


discussed the announcement in a separate


Last night, the companies disclosed they were in talks about a possible combination, boosting Honeywell's stock as much as 20% in after-hours trading. Shares of Honeywell tonight rose $2.75, or 6%, to $48.75 on


as further speculation about its potential merger partners leaked out. United Technologies remained unchanged on Instinet, with 192,823 shares in play.

Other rumored possible buyers include




General Electric

(GE) - Get Report


In recent action, shares of Tyco fell 13 cents, or 0.2%, to $50.38 on Instinet, while General Electric's stock gained $1, or 1.9%, to $53.25 on Instinet.

This evening's most-active stock on

TST Recommends


ECN is power conversion manufacturer

Power One


. Shares of Power One, which replaced



in the

S&P 500 Index on Wednesday, advanced 38 cents, or 0.45%, to $85.05 on Island.

Mercator Software


, which plunged $7.66, or 62.5%, to $4.60 today, was lately up 9 cents, or 2.04%, to $4.69 on Island. Yesterday, Mercator posted a pro forma loss of 14 cents, compared to a year-ago profit of 8 cents.

Shares of

Copper Mountain Networks


fell 9 cents, or 0.84%, to $11.03 on Island. The DSL provider was up $1.78, or 19.1%, to $11.13 on the day. Copper Mountain dropped 60% on Wednesday, after it warned on Tuesday that fourth-quarter and 2001 earnings would fall below estimates due to weakening demand.

After the bell,

Research In Motion


stated that it filed to sell 6 million shares. On the news, RIM shed $5.94, or 5.06%, to $111.44 on Island and lowered $6.38, or 5.4%, to $111 on Instinet.


(EBAY) - Get Report

, which gained almost 10% during last night's extended trading session, again attracted investor attention. Tonight, however, the stock slid 25 cents, or 0.43%, to $57.81 on Island.

This information is provided by Instinet, a wholly owned subsidiary of Reuters (RTRSY) . For further information, please contact Instinet at www.instinet.com.

Island ECN, owned by Datek Online, offers trading, mainly in Nasdaq-listed stocks, from 7 a.m. to 8 p.m. EDT.



explains how the rules change when the sun goes down in Investing Basics: Night Owl, a section devoted to after-hours trading.