Texas Instruments (TXN) stock just reported its best-ever quarterly performance, lifting its stock nearly 20%, according to Yahoo Finance. That kind of outcome isn’t typical for a mature analog giant, which is why Bank of America analysts sounded off in a big way after earnings. The bank upgraded Texas Instruments to a Buy from Neutral and raised its price target to $320 from $235. xBofA analysts believe that the company is entering a new era of free cash flow generation that the market hasn’t yet pric ...