sydneycochlear ltd shares hit a sixmonth high after the hearingimplant manufacturer reported strongerthanexpected firsthalf revenue the stock was up 73 at a22437 on wednesday after the australialisted company reported revenue for the six months through december of 8852 million australian dollars us6186 million the average analyst forecast had been for revenue of a854 million according to data compiled by factset cochlear shares were the secondbest performing component of the spasx 200 benchmark index and on course for their best day in a year trading conditions have been progressively improving in line with expectations and demand for the nucleus 8 processor has been strong since its october launch cochlear said the firsthalf results were reasonably positive rbc capital markets analyst craig wongpan said in a note with betterthanexpected revenue across all product segments