US STOCKS-Apple, Boeing keep Wall St afloat; energy weighs By: Reuters: Company News January 28, 2015 at 12:17 PM EST * Indexes: Dow up 0.3 pct, S&P flat, Nasdaq up 0.3 pct (Updates to midday) Read More >> Related Stocks: AT&T Inc Alibaba Group Holding Ltd Apple Boeing Co United States Steel Corp Yahoo