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The Night Watch: Mercury Computer Tanks After Warning

Starbucks climbs as December same-store sales rise.

A handful of companies with news made their way onto the Instinet leader boards after the close Thursday, but extra-session traders continued to focus on big tech following the slow winter holidays.

Coffee chain


(SBUX) - Get Report

was rising 2.9% to $21.02. After the close of regular trading, the company said December

same-store sales rose 3%. Total revenue climbed 22% to $343 million.

Mercury Computer

(MRCY) - Get Report

was one of the late session's biggest losers, dropping 27.7% to $29, after the company warned that it would fall short of Wall Street's second-quarter estimates. The company projected earnings of 13 cents to 17 cents a share on revenue of $36 million to $37 million. According to First Call, analysts were expecting income of 26 cents.

In the first half-hour of extended trading on Instinet, about 2 million shares changed hands among the top-20 volume movers.


(CSCO) - Get Report

was the volume leader, tacking on 0.1% to $20.79.


(ORCL) - Get Report

was up 0.4% at $15.35.


TST Recommends

(INTC) - Get Report

was unchanged at $35.53.



was off 0.1% to $14.71, and


(MSFT) - Get Report

was flat at $69.21.

Sun Micro

(SUNW) - Get Report

was higher by 0.1% to $13.43.

Among other active issues,

Siebel Systems


was up 1% to $31.85, and the

S&P 500 Depositary Receipts

(SPY) - Get Report

were flat at $116.85.