Rambus stock tumbled after the semiconductor firm reported in-line earnings for the fourth quarter but fell short with its guidance.

After years of little or no growth, Rambus has seen its revenue and earnings surge in recent years. Heavy investment in data center hardware has boosted demand for the semiconductor products that use ...

Rambus Inc. unveiled its updated product road map for RDRAM (Rambus dynamic random access memory) on Wednesday, saying the company plans to take the computer memory chips beyond existing frequencies ...