PDF Solutions Inc. (NASDAQ:PDFS) saw strong trading volume on Wednesday . 690,529 shares traded hands during trading, an increase of 393% from the previous session’s volume of 140,080 shares.The stock last traded at $15.44 and had previously closed at $15.21.

Separately, Zacks Investment Research lowered PDF Solutions from a “strong-buy” rating to a “hold” rating in a research report on Wednesday.

The firm has a 50 day moving average of $14.34 and a 200 day moving average of $12.53. The stock has a market capitalization of $488.22 million and a P/E ratio of 57.68.

PDF Solutions (NASDAQ:PDFS) last issued its quarterly earnings results on Thursday, April 28th. The company reported $0.17 earnings per share for the quarter, hitting the Thomson Reuters’ consensus estimate of $0.17. The firm earned $25.08 million during the quarter, compared to analysts’ expectations of $25.14 million. PDF Solutions’s revenue for the quarter was down 6.5% on a year-over-year basis. During the same period in the previous year, the company earned $0.26 earnings per share. On average, equities research analysts forecast that PDF Solutions Inc. will post $0.77 earnings per share for the current year.

In related news, Director R Stephen Heinrichs bought 6,118 shares of the company’s stock in a transaction on Friday, May 27th. The shares were acquired at an average cost of $14.24 per share, with a total value of $87,120.32. Following the completion of the acquisition, the director now owns 19,187 shares of the company’s stock, valued at approximately $273,222.88. The purchase was disclosed in a document filed with the SEC, which can be accessed through the SEC website.

An institutional investor recently raised its position in PDF Solutions stock. Royce & Associates LLC increased its stake in PDF Solutions Inc. (NASDAQ:PDFS) by 108.0% during the fourth quarter, according to its most recent 13F filing with the Securities and Exchange Commission. The firm owned 457,700 shares of the company’s stock after buying an additional 237,700 shares during the period. Royce & Associates LLC owned about 1.46% of PDF Solutions worth $4,961,000 as of its most recent SEC filing.

PDF Solutions, Inc is a provider of infrastructure technologies and services for integrated circuits (IC). The Company’s technologies and services focus on the IC manufacturing process life cycle. It operates in the segment of licensing and implementation of yield improvement solutions for integrated circuit manufacturers.

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