Strength Seen in Silica Holdings (SLCA): Can Its 14.6% Jump Turn into More Strength? Posted byZacks Equity Research October 8, 2021 Leave a comment on Strength Seen in Silica Holdings (SLCA): Can Its 14.6% Jump Turn into More Strength? Silica Holdings (SLCA) 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…