Super Micro Computer stock (NASDAQ: SMCI) fell by about 6% in Tuesday’s trading and remains down 54% over the past month amid significant corporate governance concerns and questions about the company’s financial reporting.

While the fate of Super Micro Computer’s listing on the Nasdaq Stock Exchange hangs in the balance, a group acquired a large stake in the embattled servers maker. Three independent broker-dealers with common ownership—G1 Execution Services,

The stock’s downward spiral was sparked by a report in August from short-selling firm Hindenburg Research, which alleged serious “red flags” with the company’s accounting. The Wall Street Journal reported the following month that Supermicro was under investigation by the Department of Justice (DOJ).