Shares of Core Scientific, Inc. (CORZ) experienced a significant after-hours plunge of 5.16% on Tuesday, despite seemingly positive news regarding its deal with Coreweave. The stock's movement comes in the wake of statements made during a conference call about the potential benefits of the partnership between the two companies.

During the call, Coreweave's CEO expressed confidence in the deal, stating that management from both Coreweave and Core Scientific had evaluated the arrangement and concluded it was in the best interest of both companies and their shareholders. Furthermore, the CEO projected substantial cost savings, anticipating "$500 Million in fully ramped annual run rate cost savings by 2027 end," which would directly benefit shareholders of both Core Scientific and Coreweave.

However, despite these optimistic projections, investors appeared to react negatively in after-hours trading. The stark contrast between the positive outlook presented and the stock's downward movement suggests that market participants may have concerns about the deal's execution or potential risks not addressed in the conference call. It's possible that investors are adopting a cautious stance, waiting for more concrete details about the implementation of the partnership and its short-term impact on Core Scientific's operations before adjusting their positions.