PDF Solutions Inc. (NASDAQ:PDFS) saw unusually-strong trading volume on Wednesday . Approximately 690,529 shares changed 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 “hold” rating to a “sell” rating in a report on Friday, May 6th.

The firm has a market capitalization of $493.53 million and a PE ratio of 58.30. The stock has a 50 day moving average price of $14.32 and a 200 day moving average price of $12.51.

PDF Solutions (NASDAQ:PDFS) last posted its earnings results on Thursday, April 28th. The company reported $0.17 earnings per share (EPS) for the quarter, meeting analysts’ consensus estimates of $0.17. The company earned $25.08 million during the quarter, compared to analyst estimates of $25.14 million. PDF Solutions’s quarterly revenue was down 6.5% compared to the same quarter last year. During the same quarter last year, the business posted $0.26 EPS. On average, analysts predict that PDF Solutions Inc. will post $0.77 earnings per share for the current fiscal year.

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

A hedge fund recently raised its stake in PDF Solutions stock. Royce & Associates LLC raised its position in shares of PDF Solutions Inc. (NASDAQ:PDFS) by 108.0% during the fourth quarter, according to its most recent disclosure with the Securities and Exchange Commission (SEC). The fund owned 457,700 shares of the company’s stock after buying an additional 237,700 shares during the period. Royce & Associates LLC owned 1.46% of PDF Solutions worth $4,961,000 at the end of the most recent quarter.

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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