SAN FRANCISCO (MarketWatch) -- Rambus Inc. shares soared 30% Thursday after several Wall Street analysts speculated that the maker of memory-chip technology will receive a favorable ruling in a patent dispute before the U.S. Federal Trade Commission.
Rambus (RMBS) , whose shares often see large one-day moves related to the company's many legal proceedings, rose $5.07 to $21.72. Trading volume was more than four times the stock's daily average.
Rambus has delayed filing full financial results for its latest reporting period amid a probe into past accounting for employee stock option grants. The probe prompted the company's former chief executive officer, Geoff Tate, to resign from the Rambus board.