NEW YORK ( TheStreet) -- Goldman Sachs ( GS) was rising 1.7% to $156.32 in premarket trading Tuesday after earning $1.56 a share in the first quarter on revenue of $11.89 billion, well above analysts' earnings estimates of 82 cents a share and revenue forecasts of $10.22 billion.

The Milwaukee-based maker of water and gas meter products Badger Meter ( BMI) was plunging 11.4% to $33.55 after posting disappointing quarterly results with profits held back by weak orders, high copper prices and an unfavorable product mix.

Consumer and medical devices giant Johnson & Johnson ( JNJ ) was rising 2.2% to $61.79 after reporting first-quarter earnings of $1.35 a share, beating the consensus estimate of $1.26 a share.

Seagate Technology ( STX) was rising 2.1% to $18.21 after saying Tuesday it would buy Samsung Electronics' hard-disk drive business for about $1.38 billion.

Shares of Seagate's rival Western Digital ( WDC) also were rising, up 1.8% to $39.36 after the announcement.

Chipmaker Texas Instruments ( TXN) was falling 1.6% to $34.25 in premarket trading after missing Wall Street's profit view for the March quarter and giving a lukewarm outlook.

Chipmaker Intel ( INTC) was up 0.3% to $19.67 ahead of its expected first-quarter earnings report. Analysts are expecting earnings of 46 cents a share.

Computer giant IBM ( IBM ) was falling 0.2% to $165.60 ahead of its expected first-quarter earnings report after the markets close Tuesday. Analysts are expecting earnings of $2.30 a share.

Internet company Yahoo! ( YHOO) was flat at $16.35 ahead of its first-quarter earnings report after the markets close. Analysts, on average, are expecting earnings of 16 cents a share, according to a Thomson Reuters survey.

Technology patent company Acacia Research ( ACTG) said a subsidiary has acquired a patent for Power-Over-Ethernet technology.

-- Written by Andrea Tse in New York.

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