NASDAQ:RMBS 3 January 2026 - 3 February 2026

Rambus shares fell 14.4% to $97.37 in premarket trading Tuesday after the company reported a one-time supply chain disruption that will hit near-term shipments. Fourth-quarter GAAP revenue reached $190.2 million, with record product sales of $96.8 million. The company projected lower product revenue for Q1 and warned that meeting targets depends on new contracts.

Rambus shares fell 6.39% to $113.83 at Friday’s close, reversing early gains ahead of its earnings report due after the bell Monday. The stock swung between $112.84 and $127.03 during the session. Chip stocks and major indexes dropped as investors reacted to higher-than-expected producer prices and uncertainty over the next Federal Reserve chair. U.S. markets are closed for the weekend.

Rambus shares fell 7.6% to $115.31 Friday, trading as low as $113.13 amid a broader chip sector selloff after Intel’s 17% drop. The Philadelphia Semiconductor Index lost 1.2%. Rambus will report earnings Feb. 2. Investors are watching for signs of demand shifts and revenue consistency as volatility persists.

Rambus shares fell 7.6% to $115.31 Friday, ending a rally that had lifted the stock more than 22% in a week. The drop followed new bullish analyst coverage and came ahead of the company’s Feb. 2 earnings report, which investors are watching for signs of AI-driven memory demand.

Rambus shares jumped 18% to $130.26 by late morning Wednesday, hitting a 52-week high amid a broad chip sector rally. Intel rose 11%, AMD and Micron gained about 8%, and the iShares Semiconductor ETF climbed 3%. Investors are focused on Rambus’ Feb. 2 earnings call for updates on data-center memory demand. Trading volume in Rambus topped 2.8 million shares by midday.