NEW YORK (TheStreet) -- Shares of Best Buy (BBY) - Get Report were jumping 7.4% to $30.96 in premarket trading Tuesday after the consumer electronics retailer reported first-quarter profit of 35 cents a share vs. the average analyst estimate of 33 cents a share.

Shares of infectious diseases treatment developer

Siga Technologies

(SIGA) - Get Report

were plunging 8.8% to $11.03 following a report that Congress plans to investigate the company's recent receipt of a

government contract

worth up to $2.8 billion.

Struggling mobile phone maker


(NOK) - Get Report

said Tuesday it settled patent litigation with iPhone maker


(AAPL) - Get Report

, including the withdrawal by both companies of their complaints to the International Trade Commission. Nokia shares were popping 3.9% to $6.35, while Apple shares were up 0.7% to $329.

Financial and economic information services provider

FactSet Research Systems

(FDS) - Get Report

reported third-quarter earnings of 92 cents a share, in line with estimates. Shares were falling 2.2% to $102.

Internet search leader


(GOOG) - Get Report

has reportedly applied for a license to continue operating its mapping services in China. Google shares were up 0.8% to $508.99.

Computer and printer maker


(HPQ) - Get Report

has named longtime executive Ann Livermore to its board, and said the heads of three of its customer-facing units would now

report directly to

CEO Leo Apotheker. Shares were up 0.4% to $34.80.



(HMC) - Get Report

expects its fiscal year 2012 profit to fall more than 63%.

Medical devices company


(ANGO) - Get Report

expects to earn 10 cents to 11 cents a share in the fourth quarter vs. the average analyst estimate of 14 cents a share.

Car and truck rental company

Avis Budget Group

(CAR) - Get Report

said it will buy Avis Europe for about $1 billion.

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-- Written by Andrea Tse in New York.

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