Roca Mines Inc. (Tier2) (TSX:ROK) Last Price (CAD) $ 0.285 Change ▲ 0.045 (18.75%) Bid 0.285 Ask 0.305 Volume 2,265,900 Day's Range 0.24 - 0.325 Click for Detailed Quote Page Last Trade:15:57:57 EDT Apr-14-09