** Shares in Siltronic WAFGn.DE rise around 5% after the German semiconductor materials supplier posted its Q2 results above expectations, despite FY sales forecast cut
** Siltronic's Q2 revenue amounted to 329.1 million euros ($379.58 million), down from 351.3 million a year earlier, but above analyst's average forecast of 322 million euros, according to a poll by LSEG
** "While no change to the overall volume outlook, today's beat and the revised depreciation and amortization (D&A) is likely to have a more positive impact," Jefferies says, citing the company's Q2 numbers came in ahead of expectations
** "While the US/EU tariff agreement still poses some questions on the potential impact on wafers, a potential bottom in Q3 could lead to a more constructive view," it adds
** A local trader describes Siltronic's Q2 figures as "solid"
** The stock is among the best performers of Germany's small-cap index .SDAXI
($1 = 0.8670 euros)
(Reporting by Ozan Ergenay)
((ozan.ergenay@thomsonreuters.com))