GenMark Diagnostics ( GNMK) is a molecular diagnostics company focused on developing and commercializing of its eSensor detection technology. This stock is trading up 5.8% to $5.30 in recent trading. Today's Range: $5.02-$5.30 52-Week Range: $3.63-$6.50 Volume: 213,000 Three-Month Average Volume: 90,843 From a technical perspective, GNMK is ripping to the upside here with heavy volume, and the stock has started to break out above some near-term overhead resistance at $5.10. Traders should continue to look for long-biased trades as long as GNMK is trending above $5.10 with strong upside volume flows. I would consider any upside volume day that registers near or above 90,843 shares as bullish. If we continue to see GNMK hold a strong uptrend above $5.10, then this stock has a great chance of re-testing and possibly taking out its next significant overhead resistance levels at $5.77 to $6.49. To see more stocks 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.