The top after-market NASDAQ Stock Market gainers are: American Superconductor, Solazyme, Sterling Bancshares, Limelight Networks, and Amerco. The top after-market NASDAQ Stock Market losers are: Infinera, Dialogic, CDC Corp., Rovi, and Solta Medical.

Gainers

American Superconductor Corp. (AMSC) stock grew 4.50 percent to $7.90 in the after-market trading.

Solazyme, Inc. (SZYM) stock gained 4.42 percent to $23.06 in the after-market trading.

Sterling Bancshares Inc. (SBIB) stock increased 4.41 percent to $8.29 in the after-market trading.

Limelight Networks, Inc. (LLNW) stock gained 4.27 percent to $4.88 in the after-market trading. The company participated in World IPv6 Day on June 8, the first global-scale trial of the new Internet Protocol, IPv6, being organized by the Internet Society. More than 400 participating organizations from every part of the globe will enable IPv6 on their main services for 24 hours to test the next generation protocol. Limelight Networks provides delivery services for the ISOC World IPv6 Day website, including its IPv6 version.

The rapid expansion of the number of people, connected devices and web services on the Internet resulted in a shortage of IPv4 addresses. IPv4 has about four billion IP addresses (the sequence of numbers assigned to each Internet-connected device). IPv6, the next-generation Internet protocol, expands the number of IP addresses available -- over four billion times more -- and will connect the billions of people and connected devices not connected, today and into the future.

Amerco (UHAL) stock rose 4.25 percent to $90 in the after-market trading. Profit for the fourth quarter was $10.2 million or $0.52 per share, compared to a loss of $8.2 million or $0.43 per share last year. Revenue rose to $488.37 million from $443.79 million. Analyst has expected a loss of $0.77 per share on revenue of $466 million.

Losers

Infinera Corp. (INFN) stock slid 3.22 percent to $6.01 in the after-market trading.

Dialogic, Inc. (DLGC) stock declined 2.91 percent to $5 in the after-market trading.

CDC Corp. (CHINA) stock decreased 2.71 percent to $2.15 in the after-market trading.

Rovi Corp. (ROVI) stock declined 2.62 percent to $52.79 in the after-market trading.

Solta Medical, Inc. (SLTM) stock decreased 2.61 percent to $2.63 in the after-market trading.