Dropbox's (NYSE:DBX) short interest has decreased by 7.46% since the last report, with 18.24 million shares sold short, representing 8.43% of its float. This decline in short interest could indicate a more bullish sentiment among investors towards DBX, despite it having a higher short interest than its peer group average of 6.03%. The article suggests that while a decrease in short interest does not guarantee a stock price increase, it is an important indicator of market sentiment.