Trump Media stock tanks 9% as Donald Trump files to sell up to $2.3 billion worth of shares / Trump-endorsed news channel sees shares surge 2,200% / Shares of Trump-friendly Newsmax leap 2,200% after Wall Street debut / Conservative cable channel Newsmax spikes more than 700% in first trading day on NYSE / NMAX price: Newsmax stock pops 500% on NYSE as conservative media network IPOs in the Trump era / Morning news brief / Earnings news causes immediate stock price jumps, sometimes moving whole market