Updated from 11:47 a.m. EDT

Jitters that appeared when KLA-Tencor ( KLAC) warned of a possible order decline in its June quarter vaulted semiconductor-equipment giant Applied Materials ( AMAT) near the top of the Nasdaq high-volume list Thursday.

Applied Materials ended the day off 60 cents, or almost 3%, to $19.73. More than 57 million shares traded hands after rival KLA said orders could fall as much as 15% in the current quarter. The guidance sent KLA's stock down $2.25, or 4.6%, to $46.14 on Thursday.

Applied was joined on the list by Microsoft ( MSFT), which reported earnings after the bell Thursday, followed by volume stalwarts Sirius Satellite ( SIRI), Intel ( INTC) and Cisco ( CSCO).

Sirius ended the day up 14 cents, or 4%, to $3.62 on volume of more than 55 million shares, after losing 9% Wednesday, when it reported a loss in its first quarter.

NYSE volume was led by daily favorites Lucent ( LU), Motorola ( MOT), Nortel ( NT), Ford ( F) and General Electric ( GE).

Looking at big price swings, a handful of Nasdaq stocks broke out of the gate strong and maintained the pace throughout the day.

StockerYale ( STKR), a provider of photonics-based products, surged Thursday after issuing a press release saying it would provide lasers under two recent orders it received from BAE Systems ( BAESF). StockerYale closed up 43 cents, or 13.6%, to $3.68.

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