The Wall Street Journal has created a series of graphs showing how online traders coming together on social media have driven up the share prices of GameStop, Blackberry, and AMC Entertainment. One set of graphs compares the daily trading volume of GameStop shares to the number of times users mentioned the company across Reddit, Twitter, and Facebook. It shows a correlation between the two, with both rising more than 100 fold in January. Another graph shows the increase in share price and short interest, an indicator of whether investors are pessimistic or optimistic about a stock, of S&P 1500 stocks. Over a three day period, the price of GameStop shares and the optimism of its investors increased by approximately 140 percent.
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