TradingKey – On the first trading day of September, pre-market shares of action camera maker GoPro (GPRO) continued to surge. In the previous trading session, the stock closed up 46.06%, and rose over 100% pre-market on September 1. As of press time, GPRO’s pre-market gain had pulled back to 76%.

Measuring from a recent low of about $0.60 on August 28 to reaching $1.80 pre-market on September 1, the stock price gain reached approximately 200%.

[Source: TradingView]

The direct catalyst for the stock surge was YouTube star and filmmaker Mark Fischbach (Markiplier) disclosing a massive stake in GoPro.

According to a U.S. Securities and Exchange Commission (SEC) filing, Markiplier holds 13.5 million shares of GoPro Class A common stock,…