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Despite a number of earnings-related flops in the tech sector, stocks lifted higher after the bell Thursday partly on the power of

smash-bang results

courtesy of

Google

(GOOG) - Get Alphabet Inc. Class C Report

, which was among the most actively traded stocks after hours.

The ubiquitous search-engine operator saw 60.7% higher per-share income year over year to $3.68 in the first quarter, careening past $3.30 per-share estimates from Thomson Financial. Sales, at $3.66 billion, surged 62.6% year over year and crushed the $2.49 billion consensus. Shares jumped $12.45, or 2.6%, to $484.10 in recent late trading.

Advanced Micro Devices

(AMD) - Get Advanced Micro Devices, Inc. Report

saw heavy and very volatile trading after posting a 90-cent per-share loss (excluding items) -- 42 cents wider than what the Street was expecting. In a conference call, the Sunnyvale, Calif., semiconductor company said it will consider any method of financing, including that of private equity, so long as it "makes sense for

its shareholders." Shares were lately adding 1.2% to $14.45.

Another tech name,

Packeteer

( PKTR), was also higher after posting $34.7 million in sales that topped targets by $2.8 million in the first quarter. Despite swinging to a loss against the Street's upside estimates, the information-technology provider gained 3.1% to $9.05.

Among other stocks riding high on positive first-quarter earnings were floor-covering-maker

Mohawk

TheStreet Recommends

(MHK) - Get Mohawk Industries, Inc. Report

, which lately gained 3.8% to $92.40 after profits leapt 14% year over year to $90 million, or $1.32 a share. Surgical-robotics developer

Intuitive Surgical's

(ISRG) - Get Intuitive Surgical, Inc. Report

earnings surged 63.2% to 62 cents a share, beating estimates by 9 cents. Shares climbed 4% to $126 in recent extended trading.

Meanwhile,

Aeroflex

( ARXX), which makes products for broadband communications, aerospace and defense, tacked on 3.2% to $13.70 after receiving a rival bid from Veritas Capital that offers shareholders a $14-per-share dividend and 21.2% ownership of "a significantly leveraged Aeroflex." The Plainview, N.Y., company had agreed to sell itself to General Atlantic and Francisco Partners last month.

On the other hand,

SiRF Technology

( SIRF) was plunging 8.5% to $26.20 after posting first-quarter earnings of 21 cents a share that missed targets by a penny. Among other tech names turning in disappointing earnings were communications-equipment maker

Zhone Tehcnologies

(ZHNE)

, losing 14.9% to $1.26; application-software developer

RightNow Technologies

( RNOW), sinking 7% to $16.80; and

Stamps.com

(STMP) - Get Stamps.com Inc. Report

, which was sliding 8.1% to $14.10 in recent after-hours action.

The financial sector served up a loser in credit-card company

Capital One

(COF) - Get Capital One Financial Corporation Report

, which dropped some 6% to $72.89 after

falling far short

of first-quarter estimates, posting just $1.62 per-share profits.

Elsewhere,

Mentor

( MNT), maker of breast implants and other aesthetic-medicine products, plummeted 17.3% to $39.89 after slicing fiscal 2007 sales guidance by at least $3 million to range between $300 million and $302 million -- at least $7.3 million below estimates. Fiscal 2008 revenue should also miss Street predictions.