Micron, Tibco, BlackBerry, Zynga: Tech Premarket

NEW YORK ( TheStreet) -- Micron Technology ( MU) shares popped almost 8% in premarket trading on Friday, after reporting better-than-expected second-quarter revenue.

Late on Thursday, the chipmaker reported sales of $2.08 billion, above analysts' estimates of $1.92 billion. Micron posted a loss of 28 cents a share, compared with Wall Street's anticipated loss of 20 cents a share.

Shares of Micron gained 7.94% to reach $9.79 before market open. The Boise, Idaho-based firm was also the most active premarket Nasdaq stock on share volume of 1,019,678.

Shares of Tibco Software ( TIBX), however, slumped 16.44% to $19.36 after the company's first-quarter revenue miss.

The software maker was another active premarket stock on share volume of 290,345.

BlackBerry's ( BBRY) stock gained 0.99% to $16.32, while Zynga ( ZNGA) was up 2.06% to $3.42.

--Written by James Rogers in New York.

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