Former President Donald Trump’s eponymous media company’s plummeting stock prices erased all the year’s gain as its investors worry the financially strapped candidate and convicted felon might soon cash out his shares, according to a new financial analysis. Standard and Poor’s 500 — an index tracking 500 of the largest publicly traded companies — rose 16 percent over a six-month stretch that saw Trump Media shares tumble from a $79.38 high on March 26 to just $17 Wednesday, when stock dropped 6 percent, Fortune reported. “Trump’s financial situation appears strained,” the Fortune analysis stat…