Roca Mines Inc. (Tier2) (TSX:ROK) Last Price (CAD) $ 0.375 Change ▲ 0.01 (2.74%) Bid 0.365 Ask 0.375 Volume 118,500 Day's Range 0.37 - 0.38 Click for Detailed Quote Page Last Trade:11:19:51 EDT Jun-26-09