Strength Seen in PerkinElmer (PKI): Can Its 4.6% Jump Turn into More Strength? Posted byZacks Equity Research December 16, 2021 Leave a comment on Strength Seen in PerkinElmer (PKI): Can Its 4.6% Jump Turn into More Strength? PerkinElmer (PKI) witnessed a jump in share price last session on above-average trading volume. The latest trend in earnings estimate revisions for the stock doesn’t suggest further strength down the…