MKS Instruments Inc. (NASDAQ:MKSI) saw strong trading volume on Monday . 622,585 shares traded hands during trading, an increase of 74% from the previous session’s volume of 357,643 shares.The stock last traded at $44.88 and had previously closed at $43.99.

Several equities research analysts have issued reports on the company. Pacific Crest restated a “buy” rating on shares of MKS Instruments in a research report on Monday. Zacks Investment Research upgraded MKS Instruments from a “hold” rating to a “buy” rating and set a $44.00 target price on the stock in a research report on Tuesday, June 28th. Dougherty & Co increased their target price on MKS Instruments from $46.00 to $50.00 and gave the stock a “buy” rating in a research report on Thursday, June 23rd. Finally, Stifel Nicolaus increased their target price on MKS Instruments from $43.00 to $49.00 and gave the stock a “buy” rating in a research report on Thursday, May 12th.

The firm has a 50-day moving average of $41.42 and a 200-day moving average of $36.83. The stock has a market cap of $2.40 billion and a PE ratio of 22.67.

MKS Instruments (NASDAQ:MKSI) last posted its earnings results on Monday, April 25th. The company reported $0.38 earnings per share for the quarter, topping analysts’ consensus estimates of $0.33 by $0.05. The business earned $184 million during the quarter, compared to the consensus estimate of $177.19 million. During the same quarter last year, the firm earned $0.66 earnings per share. The business’s quarterly revenue was down 14.1% on a year-over-year basis. Equities analysts expect that MKS Instruments Inc. will post $2.29 EPS for the current year.

In other news, Director Peter Hanley sold 2,000 shares of the business’s stock in a transaction dated Friday, June 10th. The shares were sold at an average price of $41.29, for a total value of $82,580.00. Following the sale, the director now directly owns 4,492 shares in the company, valued at approximately $185,474.68. The transaction was disclosed in a legal filing with the SEC, which is accessible through this link. Also, Director Robert R. Anderson bought 3,500 shares of MKS Instruments stock in a transaction dated Thursday, May 5th. The stock was acquired at an average price of $35.94 per share, for a total transaction of $125,790.00. Following the completion of the acquisition, the director now owns 22,628 shares in the company, valued at $813,250.32. The disclosure for this purchase can be found here.

Other hedge funds have bought and sold shares of the company. Dimensional Fund Advisors LP increased its stake in MKS Instruments by 3.1% in the fourth quarter. Dimensional Fund Advisors LP now owns 4,055,129 shares of the company’s stock worth $145,986,000 after buying an additional 122,476 shares during the period. OppenheimerFunds Inc. increased its stake in MKS Instruments by 4.1% in the fourth quarter. OppenheimerFunds Inc. now owns 880,352 shares of the company’s stock worth $31,693,000 after buying an additional 34,473 shares during the period. Principal Financial Group Inc. increased its stake in MKS Instruments by 3.3% in the fourth quarter. Principal Financial Group Inc. now owns 358,885 shares of the company’s stock worth $12,920,000 after buying an additional 11,556 shares during the period. State of Wisconsin Investment Board increased its stake in MKS Instruments by 0.9% in the fourth quarter. State of Wisconsin Investment Board now owns 225,972 shares of the company’s stock worth $8,135,000 after buying an additional 2,062 shares during the period. Finally, IronBridge Capital Management LP acquired a new stake in MKS Instruments during the fourth quarter worth $5,304,000.

MKS Instruments, Inc (MKS) is a provider of instruments, subsystems and process control solutions that measures, controls, powers, monitors and analyzes critical parameters of advanced manufacturing processes. The Company operates in four segments: Advanced Manufacturing Capital Equipment; Analytical Solutions Group; Europe Region Sales & Service, and Asia Region Sales & Service.

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