Shares of Wolfspeed Inc. (WOLF) plunged 5.89% in pre-market trading on Tuesday, following reports of Citigroup Inc. acquiring a stake in the company. The significant drop comes amid investor concerns about potential changes in the company's ownership structure and future direction.

According to recent SEC filings, Citigroup Inc. has reported the acquisition of common shares of Wolfspeed Inc. The exact size of the stake and the financial terms of the transaction were not immediately disclosed. This move by the banking giant has triggered a wave of speculation in the market about Wolfspeed's financial health and strategic outlook.

While large institutional investments can sometimes be seen as a vote of confidence, in this case, investors appear to be reacting negatively. The market's response could stem from concerns about potential shifts in Wolfspeed's management or strategy, or it might indicate worries about the company's financial position that may have prompted the stake sale. As more details emerge about this significant ownership change, market participants will be closely watching for any implications on Wolfspeed's operations and future prospects in the semiconductor industry.