Semiconductor equipment maker Lam Research said on Wednesday it had terminated a $10.6 billion deal to buy rival KLA-Tencor.
The companies decided against the merger due to antitrust concerns raised by the Department of Justice, according to a statement from KLA-Tencor.
Lam Research agreed to buy KLA-Tencor for $67.02 per share last year, amid a wave of consolidation in the chip industry.
Together, the companies would have commanded a 42% share of the wafer fabrication equipment market.
KLA-Tencor and Lam Research said in August that regulatory clearance for the deal may be delayed beyond Oct. 20.
KLA-Tencor also raised its quarterly dividend by 2 cents to 54 cents per share.
Shares of KLA-Tencor (klac) were down 5.8% in extended trading, while Lam Research’s shares (lrcx) fell 2.7%.
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