Dow drops more than 250 points as Wall Street’s rally takes a breather: Live updates CNBCStock market today: Dow, S&P 500, Nasdaq slip with flood of earnings ahead Yahoo FinanceStock Market Today: Dow falls over 300 points as stocks extend losses amid rising bond yields MarketWatchWall St drops as investors cautious ahead of big earnings; Treasury yields rise ReutersStocks Lose Steam at Start of Busy Earnings Week: Markets Wrap Bloomberg