Lam Research Corp. and KLA-Tencor Corp. called off a planned $10.6 billion merger announced nearly a year ago, citing opposition by the Justice Department on antitrust grounds. The department said late Wednesday it had serious concerns that the deal would harm competition in the market for machines used to manufacture computer chips. Lam, which Gartner Inc. ranks as the second-largest maker of such machines behind Applied...

Source: Wall Street Journal October 05, 2016 22:42 UTC