Stocks are pulling back from record highs as earnings and interest rates weigh on investor's minds. Speculation the Fed may raise interest rates sooner than expected has all the major U.S. markets trading lower midday. Second Quarter earnings season unofficially kicks off Tuesday after the close when Alcoa (AA) reports. The stock has been performing well this year, up more than 4 percent, year-to-date. Investors will want to hear on Alcoa's global outlook in aerospace given its acquisition of Firth Rixon last month. Apple shares are making a move higher today after reporting good June sales. The company is expected to unveil new products including the iPhone 6 and iWatch this fall. TheStreet's Susannah Lee reports from Wall Street.