UPDATE 1-Brakes maker Haldex files complaint against Knorr-Bremse <!-- no image --> <div>Sweden's Haldex has filed an antitrust complaint against top shareholder Knorr-Bremse, arguing the rival brake systems maker's stake is hurting its ability to do business.<div class="feedflare"> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=VzJX4JSFe78:mwtaDooDzh4:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?d=yIl2AUoC8zA" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=VzJX4JSFe78:mwtaDooDzh4:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=VzJX4JSFe78:mwtaDooDzh4:V_sGLiPBpWU" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=VzJX4JSFe78:mwtaDooDzh4:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=VzJX4JSFe78:mwtaDooDzh4:F7zBnMyn0Lo" border="0"></a> </div><img src="http://feeds.feedburner.com/~r/reuters/UKBankingFinancial/~4/VzJX4JSFe78" height="1" width="1" alt=""></div> Posted by Reuters