Since hitting all-time highs in March, shares of chipmaker Advanced Micro Devices, Inc. (NASDAQ:AMD) have taken a step back on the charts. Down 2.1% over the last nine months and 4.4% this quarter, AMD is looking for a blessing after its most recent rally lost steam in the $175 area. Last seen 0.2% higher at $156.89, the chip stock is now trading near a historically bullish trendline that could help it reclaim lost ground over the next month. According to a study from Schaeffer's Senior Quantitative Analyst ...