A pedestrian walks past the NASDAQ building in New York City, April 30, 2010.
A pedestrian walks past the NASDAQ building in New York City, April 30, 2010. Reuters

The top after-market Nasdaq gainers Friday were Mission West Properties Inc, FormFactor Inc, Synacor Inc and Regeneron Pharmaceuticals Inc.

The top after-market Nasdaq losers were Ancestry.com Inc, ARM Holdings Plc, OpenTable Inc and iShares MSCI ACWI Index Fund.

Gainers

Mission West Properties Inc (MSW) shares climbed 6.74 percent to $9.35 in after-hours trading. The company is in talks to sell itself to Divco West, a San Francisco real estate investment firm, and private equity firm TPG, the Wall Street Journal reported Friday.

FormFactor Inc (FORM) rose 6.69 percent in post-market session to close at $6.54. The company shares have a 52-week low of $4.68, a 52-week high of $6.54 and $304.11 million in market capitalization.

Synacor Inc (SYNC) shares advanced 4.36 percent to $11.74 in post-market trading. The company shares dropped by 13.59 percent in regular trading and the company have $302.40 million in market capitalization.

Regeneron Pharmaceuticals (REGN) shares gained 3.70 percent and reached $126.15 in after-hours trading. The company shares have a 52-week low of $42.83, a 52-week high of $145.04 and $11.57 billion in market capitalization.

Losers

Ancestry.com Inc (ACOM) slumped 8.63 percent to $24.99 in post-market session Friday. The company has a 52-week low of $20.67, a 52-week high of $44.71 and $1.17 billion in market capitalization.

ARM Holdings plc (ARMH) shares declined 4.51 percent to $2.12 in after-hours trading. The company stock has a 52-week low of $21.64, a 52-week high of $31.55 and $10.47 billion in market capitalization.

OpenTable Inc (OPEN) shares lost 4.22 percent in after-hours trading to reach $ 36.29. The company shares have a 52-week low of $ 31.54, a 52-week high of $ 76.11 and 855.10 million in market capitalization.

iShares MSCI (ACWI) Index Fund (ACWI) shares dropped 2.27 percent to $42.71 in after-hours trading. The company shares have a 52-week low of $37.09, a 52-week high of $48.71 and 2.66 billion in market capitalization.

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