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Apple, Sina, BlackBerry: Tech Winners & Losers

Tickers in this article: AAPL BBRY GOOG MSFT SINA
(Updates from 2:58 p.m. ET with closing information.)

NEW YORK (TheStreet) -- Apple was popping 3.52% to $431.91 as the smartphone giant reportedly gets ready for its first debt sale in nearly two decades, with Goldman Sachs and Deutsche Bank taking the lead in the deal.

In product news, the company is reportedly prepping plans to launch the next version of the iPhone for a summer release, according to AppleInsider and French Web site

KGI Securities analyst Ming-Chi Kuo, who is as tied in with the Apple supply chain as anyone, says Apple may update its MacBook computers at its Worldwide Developer Conference event in June.

Sina was surging 12.23% to $56.45 after the Chinese Internet company announced that through a subsidiary, Alibaba has invested $586 million in Weibo, akin to Twitter, giving it an 18% stake in Sina's micro-blogging platform. Sina has given Alibaba the option to increase that stake to 30%.

Google was up 2.53% to $821.67, with the Internet giant announcing it's rolling out its Google Now personal assistant service for the iPhone and iPad, available through the Google Search app for iOS.

BlackBerry was rising 2.93% to $15.46 after RBC analyst Mark Sue upped his full-year estimates for the company and Jefferies analyst Peter Misek reiterated his "buy" rating on the stock on positive feedback on the launch of the Q10 with keyboard in the U.K. last week. U.K. department store Selfridges said that the Q10 launch is its "fastest-ever selling consumer electronics product."

Microsoft was gaining 2.22% to $32.49 and IBM was tacking on 2.37% to $198.92.

Closing prices: AAPL ended the day 3.1% higher at $430.12, SINA rose 9.4% to $55.03 and GOOG was up 2.2% to $819.06. BBRY rose 3.9% to $15.61 and MSFT ended the day 2.6% higher at $32.61.

Written by Andrea Tse in New York

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