Great Panther Silver ( GPL) is a silver mining and exploration company. Great Panther's activities are focused on the mining of precious and base metals from its wholly owned properties in Mexico. This stock is trading up 4.5% to $2.76 in recent trading. Today's Range: $2.69-$2.81 52-week Range: $1.78-$5.04 Volume: 1.7 million Three-Month Average Volume: 976,655 From a technical perspective, GPL is nearing some key breakout levels today as the stock advances nicely with very strong volume. Those breakout levels to watch for are at $2.79 (its 200-day moving average) and at $3. Traders should now watch for a sustained high-volume move and close above those levels to signal that GPL wants to trend much higher. If we get that action soon, look for GPL to hit $3.50 to $4 in the near future. To see more stocks under $10 that are making notable moves higher today, check out the Stocks Under $10 Moving Higher portfolio on Stockpickr. -- Written by Roberto Pedone in Winderemere, Fla.