Shares of Macy's Inc (NYSE:M) are up 0.4% to trade at $16.92 at last check, brushing off a price-target cut to $17 from $22 at ISI Evercore. The stock suffered a massive bear gap on the charts yesterday, after ending acquisition talks with Arkhouse Management Brigade Capital Management. While M carries a roughly 16% year-to-date deficit, it might not be time to shy away from the retail giant just yet.Macy's stock is a flashing a historically bullish signal on the charts. According to a study from Schaeffer' ...