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NEW YORK (TheStreet) -- Shares of GT Advanced Technologies (GTAT) were spiking 6.1% to $10.70 in premarket trading Tuesday as the polysilicon production technology provider replaces hospitality and retail technologies solutions provider Radiant Systems( RADS) in the S&P SmallCap 600 index after the close of trading on Wednesday.



, the Swiss bank, plans to cut 3,500 jobs in an effort to


expenses of 2 billion Swiss francs ($2.54 billion) a year by the end of 2013.

Shares were rising 2.9% to $13.57.

Shares of



were advancing 2.5% to $31.95 after the medical equipment company reported first-quarter earnings of 79 cents a share, down 1% from the year before but in line with estimates, and reiterated its revenue and earnings per share outlook for the year.



plans to order 100



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737 single-aisle jets in a


valued at more than $8 billion, say reports.

Boeing shares were rising 1.5% to $59.25.

Home products retailer



reported second-quarter earnings of 37 cents a share vs. the average analyst estimate of 36 cents a share. It also raised its full-year earnings guidance to a range of $2.17 to $2.22 a share vs. $1.95 last year.

Shares were rising 1% to $30.32.

The U.S. Committee on Foreign Investment has approved the proposed merger of the

Deutsche Boerse


NYSE Euronext


exchange operators.

NYSE shares were up 0.4% to $25.05.

Food products company

H.J. Heinz


reported first-quarter adjusted earnings of

78 cents a share

vs. the average analyst estimate of 76 cents a share.

Apparel retailer

Pacific Sunwear of California


is expected to report a second-quarter loss of 24 cents a share vs. a year-earlier loss of 22 cents a share.

The president of ratings agency

Standard & Poor's

, Deven Sharma, will leave the company and be


by Douglas Peterson, currently the chief operating officer of

Citibank N.A.

, the chief banking unit of




Sharma's resignation from S&P, a subsidiary of


( MHP), comes weeks after the company downgraded the U.S. credit rating to AA+ from AAA, an action that received strong criticism from the Obama administration. Other ratings agencies maintained their AAA ratings for the U.S.

-- Written by Andrea Tse in New York.

>To contact the writer of this article, click here:

Andrea Tse


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