Network router maker Avici Systems (AVCI) was up 10.5% after the company posted a second quarter loss of 23 cents a share, 1 cent better than analysts' estimates and narrower than the year-ago loss of 48 cents.

Revenue rose to $21.4 million from $2.2 million a year ago, again beating analysts' estimates of between $18 million and $19 million.

In April, the company said it expects to become profitable by the middle of next year.

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the leader in the router maker business, were down 1.5%.