Updated from 5:21 p.m. EST

Investors weren't in a forgiving mood after the close Thursday, and many of the companies releasing news were punished as sellers took control. But, as always, there were a few bright spots, including positive guidance from a member of the

Dow Jones Industrial Average.


( CLKS), already a small stock, got a lot smaller in extra-session Instinet trading. Shares of the educational software maker were dropping 34.5% to $2.75 following the close after the company said its first-quarter loss would be wider than previously expected because a licensing deal was canceled.

Aspen Technology

(AZPN) - Get Report

was in similarly dire straits, plunging 21.1% to $16.14 after saying it will post a third-quarter operating loss.

Legato Systems


, another warner, fell 13.6% to $6.90. The company now believes its first-quarter loss will be much wider than analysts are expecting.

Not every company was taking down guidance, and

Minnesota Mining & Manufacturing

(MMM) - Get Report

, the Dow component, said its first-quarter earnings should be at the high end or above its previous expectations, sending the stock up 2.5% to $117.02.

The company also set plans to change its name to


, the shorthand by which it is already better known. In doing so, the company becomes one of the few American corporations willing to adopt a reasonable new corporate name, rather than opting for a troublesome Latin-sounding handle.

Moving sharply to the upside was

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, which raised its guidance for the first quarter and full year. The stock was up 11.6% to $31.70.

Overall, trading was a little on the light side. In the first hour of Instinet extended trading, around 2.5 million shares changed hands among the top-20 volume movers.



(SBUX) - Get Report

was ticking down 0.1% to $23.85 after saying same-store sales rose 7% in March. The company also reiterated its 2002 earnings target.

Among other active stocks,


(QCOM) - Get Report

was off 0.3%.

Sun Micro

(SUNW) - Get Report

was down 0.4%, and


(MSFT) - Get Report

was inching up 0.1%.


(CSCO) - Get Report

was slipping 0.1%.


Nasdaq 100 Unit Trust

(QQQ) - Get Report

was off 0.1%, and



was lower by 1.9%.


(ORCL) - Get Report

was ahead by 0.4%, and


(INTC) - Get Report

was up 0.1%.