Over the last few weeks, former President Donald J. Trump has turn out to be so much richer, and so have shareholders within the social media corporate that bears his identify.Stocks of Trump Media & Era have just about tripled in price since bottoming out in past due September, per week after a rule expired that averted some early traders, together with Mr. Trump, from promoting tens of thousands and thousands of stocks.The inventory of the guardian corporate of Fact Social jumped about 10 p.c on Tuesday, on best of Monday’s 18 p.c acquire.Over the last few weeks, the surge has added about $2 billion to the price of Mr. Trump’s just about 60 p.c stake within the corporate. The previous president’s 115-million-share stake is now price about $3.8 billion.Ever since Trump Media was a public corporate in March, its inventory has been on a roller-coaster journey, emerging and falling frequently in sync with the perceived odds of Mr. Trump’s probabilities of victory within the presidential election.