Chip and chip-technology companies including

Micron

(MU) - Get Report

were gaining in the premarket session after

Hynix Semiconductor

(HXSDY)

said it raised memory prices by 30%.

Micron, which is in talks with Hynix over a possible alliance, was gaining 5% to $32.50 on Instinet, while

Intel

(INTC) - Get Report

was up 0.5% to $31.62,

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Atmel

(ATML)

was up 3.4% to $7.62, and

Applied Micro

(AMCC)

was gaining 2% to $11.52.

Hynix said its price increases went into effect Tuesday and apply to contract DRAM customers. The company cited higher personal computer sales because of Windows XP and a "PC sales boom in China."

According to

Reuters

,

Samsung

is weighing a similar price hike.