Merck (MRK) Moves 8.4% Higher: Will This Strength Last? Posted byZacks Equity Research October 4, 2021 Leave a comment on Merck (MRK) Moves 8.4% Higher: Will This Strength Last? Merck (MRK) saw its shares surge in the last session with trading volume being higher than average. The latest trend in earnings estimate revisions may not translate into further price…