(Corrects paragraph 2 to clarify that the company reported fourth-quarter results, not second quarter)
July 25 (Reuters) - Lam Research's quarterly profit missed Wall Street estimates as the chip manufacturing equipment maker was hurt by higher operating costs.
Net income fell to $18.1 million, or 13 cents per share, in the fourth quarter, from $125.9 million, or $1.01 per share, a year earlier.
Excluding items, the company earned 60 cents per share.
Revenue fell marginally to $741.8 million.
Analysts were looking for earnings of 64 cents per share, on revenue of $804.7 million, according to Thomson Reuters I/B/E/S.
Operating expenses rose 35 percent to $265.5 million.
Shares of the company, which closed at $34.24 on Wednesday on the Nasdaq, were down about 4 percent at $32.90 in after market trade. (Reporting by Chandni Doulatramani in Bangalore; Editing by Hezron Selvi)