A mixed batch of earnings and another Fed rate hike couldn't keep the blue chip Dow Jones down. Stocks closed mixed Wednesday as investors weighed a fresh batch of earnings reports and a mid-afternoon Fed announcement. Negative reactions to earnings from mega-cap blue chip stock Microsoft (MSFT) and chipmaker Texas Instruments (TXN) created headwinds for most of the session. And while stocks failed to lift off after the Federal Reserve hiked interest rates to their highest level in 22 years, the