American Capital Mortgage Investment ( MTGE) was formed to invest in and manage a leveraged portfolio of agency mortgage investments, non-agency mortgage investments and other mortgage-related investments. The stock is trading up 4.3% at $20.60 in recent trading. Today's Volume: 6230,000 Average Volume: 114,713 Volume % Change: 522% From a technical perspective, MTGE are gapping up strong today on monster volume and breaking out above some past overhead resistance at $20. This breakout is pushing MTGE into all-time-high territory, which is bullish price action. That said, the relative strength index (RSI) reading for MTGE is now 81.88 which indicates an overbought level. There's no doubt that this chart looks bullish, but I would let this consolidate some of those overbought conditions if you're not already long this stock. MTGE is one of the highest-yielding dividend stocks; it currently yields 16.3%.