Investor concerns that Rambus Inc.'s (Nasdaq: RMBS) antitrust suit against Micron Technology (NYSE: MU) and Hynix Semiconductor would be delayed proved to be unfounded as a court date of September 28 appeared more certain. Shares of Rambus climbed $1.94 to close at $17.75 while shares of Micron eased 29 cents to close at $6.72.