TOPCON CORP (TOPCF) Stock Jumps 7.5%: Will It Continue to Soar? Posted byZacks Equity Research September 10, 2021 Leave a comment on TOPCON CORP (TOPCF) Stock Jumps 7.5%: Will It Continue to Soar? TOPCON CORP (TOPCF) witnessed a jump in share price last session on above-average trading volume. The latest trend in earnings estimate revisions for…