Equity Movers: Dot Hill, Priceline, Silicon Valley Group

Dot Hill Systems (HIL): The data storage company Friday warned that it expects a third-quarter loss of 5 cents to 15 cents a share after a decline in sales. Analysts surveyed by First Call/Thomson Financial expected the company to lose 8 cents per share. Revenue for the quarter is forecast to be $23 million to $28 million. Dot Hill fell $1.63, or 25 percent, to $4.88.

Priceline.com (PCLN): Connecticut Attorney General Richard Blumenthal said he is investigating the name-your-own-price e-tailer after receiving more than 100 complaints from consumers. The probe focuses on civil, not criminal, complaints. Shares of Priceline fell 50 cents, or about 4 percent, to $11.38.

Silicon Valley Group (SVGI): The chip-equipment maker was bought by rival ASM Lithography for $1.6 billion in stock, creating the world's largest maker of semiconductor lithography equipment. ASML makes scanners and steppers, machines that map out the circuitry for computer chips. Shares of Silicon Valley Group rose $10.41, or almost 40 percent, to $36.72.

Wal-Mart Stores (WMT): Wal-Mart Stores said it plans to open approximately 200 new stores in the United States. The company also shut down its Web site for remodeling, according to a message posted on the site's main page. Shares of Wal-Mart fell 13 cents, or less than half of 1 percent, to $48.