Core Viewpoint - Former hedge fund manager Jim Cramer warns investors to sell into the "snapback" momentum in speculative sectors, emphasizing the need to avoid being misled by temporary rallies [1][2]. Speculative Sectors - Cramer identifies specific sectors such as quantum computing, data centers, nuclear energy, and precious metals (gold and silver) as areas where speculative plays will persist despite recent declines [2]. - He advises that investors should consider selling during any recovery attempts, as these sectors have become disconnected from their fundamentals [2]. Market Performance - Recent trading has shown steep declines in speculative stocks, with gold and silver experiencing their largest single-day drops in years, falling by 5.2% and 6.7% respectively [3]. - Quantum computing stocks like Rigetti Computing Inc. (down 7.64%), Quantum Computing Inc. (down 7.41%), and D-Wave Quantum Inc. (down 6.42%) have also seen significant declines, alongside nuclear energy company Oklo Inc. (down 12.33%) [4]. - Data center stocks such as IREN Ltd. (down 6.80%) and CoreWeave Inc. (down 1.57%) are also experiencing downward pressure [4]. Broader Market Context - Despite the declines in these speculative sectors, major indices remained relatively flat, with the S&P 500 up 0.003%, Nasdaq Composite down 0.16%, and Dow Jones Industrial Average up 0.47% [5].