GoPro stock is soaring after YouTube star Markiplier buys an 8.5% stake

For most of August, shares of GoPro traded for about 60 cents as the once-lauded action-camera maker faded toward what seemed like a near-certain delisting and possible collapse. But as September kicks off, the stock is soaring, at least compared with its previous levels. Shares were up nearly 80% at one point Tuesday as investors found renewed hope for the company. And it’s all thanks to a YouTube creator. Mark Fischbach, better known to many as Markiplier, has bought an 8.5% stake in the co...