Video search index Blinkx slimmed its losses to $4.5 million in the six months to March 31, from $18.2 million in the same period last year. But revenue is down from $6.5 million to $3.6 million. The Cambridge- and San Francisco-based company said this puts its ahead of expected pace on the goal of profitability.

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The earnings announcement said nothing on last week’s stock market rumours of an acquisition by News Corp (NYSE: NWS) or Google (NSDQ: GOOG) (which it denied on Friday). Blinkx is still trading up on its May 2007 IPO price, but it credited only its demerger from Autonomy as a reason for major share movements.

Additional Highlights:

— Content hours more than tripled since IPO, from 7 million to 26 million
— Daily Video Search run rate of over 5,000,000 per day in March 2008
— 56.1 million unique visitors and 584 million page views through the blinkx network in March 2008, according to comScore
— No mention in the conference call on being a possible acquisition target