Lately I've been seeing expressions rendered by MathJax not displayed properly: they all have a vertical bar at the end. See image below. This occurs for both inline and display math expressions, in the post as well as in comments.
This seems to be unique to Econ.SE site. Math.SE doesn't seem to suffer from this issue:
Is this just me? I'm using Version 48.0.2564.82 of Chrome.