Knowledge Atlas's stock plummeted 5.29% during intraday trading on Wednesday, marking a sharp reversal after two consecutive sessions of significant gains.

The decline is attributed to short-term profit-taking pressure, as the stock had previously surged over 40% in the prior two trading days. Those earlier rallies were fueled by two key catalysts: the U.S. Commerce Department's order for Anthropic to suspend access to its Claude models for foreign nationals under export controls, and Knowledge Atlas's simultaneous launch and open-sourcing of its new flagship model GLM-5.2.

With both positive catalysts now considered fully priced in by the market, investors moved to lock in profits. Additional selling pressure emerged from ongoing market debate about whether the company's premium model pricing strategy can effectively translate into high commercial penetration rates.