Ethzilla Corporation shares rise 8.22% premarket after changing its ticker symbol to ETHZW.

Ethzilla Corporation rose 8.22% in premarket trading. The company recently changed its ticker symbol from ETHZ CI to ETHZW, which could be a reason for the positive movement. However, the stock also fell after announcing a $500 million stock offering, which is typically seen as a bearish event. The overall market sentiment and other factors might have contributed to the premarket surge.