New Post Public Reply Private Reply Replies (0) Message Board ← Newer Older → Langan Nov 17, 2017 at 12:05 PM 122 SLCA 33.91 U.S. Silica Holdings Inc is number 74 out of 100 Top trading stocks today. $SLCA +0.43 +1.28% 100 day average volume 2,604,310 with 81,230 outstanding shares. Newer Older