BlackBerry, Zynga, Glu Mobile: Tech Premarket

NEW YORK ( TheStreet) -- BlackBerry ( BBRY) was a gainer before market open on Tuesday as investors responded to the imminent arrival of the company's new Z10 phone.

AT&T ( T) announced on Tuesday that it will start selling the touchscreen phone on Friday, March 22. BlackBerry announced its long-awaited BlackBerry 10 OS in late January, along with two new smartphones. The touchscreen Z10 is the first to hit the market, followed by Q10, which comes with a QWERTY keyboard.

Shares of the embattled Canadian handset maker rose 1.74% to $15.16 in premarket trading Tuesday. BlackBerry was also one of the most active premarket Nasdaq stocks on share volume of 1,208,510.

Zynga ( ZNGA) was an even bigger gainer, rising 3.54% to $4.07. The social gamer was also the most active premarket Nasdaq stock on share volume of 2,476,496.

Shares of mobile gaming company Glu Mobile ( GLU) surged 23.55% to $2.99 before market open on share volume of 1,699,789. On Tuesday. the firm announced its first "real money" mobile gaming offering.

Apple ( AAPL) shares dipped 0.74% to $434.64, while ARM's ( ARMH) stock was down 0.74% to $434.64.

--Written by James Rogers in New York.

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