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Tech shares were making gains on Wednesday, reversing a downward trend from earlier this week.



was up 30 points, or 1.3%, to 2239.

Research In Motion


climbed 4.3% to $103.64 as the company prepared to release a new line of Blackberry products. On Wednesday, it unveiled the "clamshell" version of its popular Blackberry Pearl smartphone, which will be available in the U.S. beginning in the fall.

(CRM) - Get Free Report

was also picking up steam on news that the stock would be added to the

S&P 500

index, replacing troubled financial institution

Freddie Mac



Freddie will be removed from the index after the close of trading on Wednesday. will be added after the close on Friday. Salesforce was up 8.2% to $56.37.

Texas Instruments

(TXN) - Get Free Report

got a slight bump after it tightened its financial forecast for the third quarter. The chipmaker expects revenue to range between $3.33 billion and $3.47 billion, instead of its previous range of $3.26 billion and $3.54 billion.

Shares of Texas Instruments were up 29 cents to $22.

International Rectifier's


stock jumped 7.7% to $22.67 after

Vishay Intertechnology

(VSH) - Get Free Report

raised its purchase offer to $23 from $21.22 as part of its hostile bid.

International Rectifier had rejected Vishay's original bid, calling it inadequate. Vishay's stock was up .98% to $8.22 .

Shares of

Sirius XM

(SIRI) - Get Free Report

were plunging 14.6% to 97 cents one day after the satellite radio provider offered a weak forecast on subscriber growth. The stock has tumbled 68% since the beginning of the year, and more than 49% since its merger with XM Satellite Radio in July.