** Shares in Aixtron AIXGn.DE rise 6.6% after the German chip systems manufacturer posted its Q1 sales and orders above expectations, confirmed FY guidance despite impact from U.S. tariffs
** Aixtron posts Q1 order intake of 132.2 million euros($150.67 million) vs 120.3 million a year earlier, as its quarterly revenue amounted to 112.5 million euros, exceeding analysts' expectations of 102.5 million euros in a poll by LSEG
** "The risks associated with U.S. tariffs policy are currently considered insignificant, as semiconductor equipment is currently not subject to U.S. tariffs," the company said
** Jefferies says that Aixtron's Q1 sales and orders came in well above estimates
** The stock, which has lost 25.5% YTD, is at the top of Germany's mid-cap index .MDAXI
($1 = 0.8774 euros)
(Reporting by Ozan Ergenay)
((ozan.ergenay@thomsonreuters.com))