Why Is BlackBerry (BB) Up 7.3% Since Last Earnings Report?

Core Viewpoint - BlackBerry shares have increased by approximately 7.3% since the last earnings report, outperforming the S&P 500, raising questions about the sustainability of this positive trend leading up to the next earnings release [1]. Group 1: Recent Performance - The stock has shown a positive trend over the past month, with a notable increase in share price [1]. - The performance of BlackBerry shares has been better than that of the S&P 500 during the same period [1]. Group 2: Analyst Activity - There have been no earnings estimate revisions from analysts in the last two months, indicating a period of quiet regarding expectations for the company's performance [2].