CNBC | Stocks lower as oil slide weighs; energy falls 3% CNBC U.S. stocks traded lower Monday, weighed by a renewed decline in oil prices, as investors awaited key inputs on economic growth. A swath of earnings reports, data and the Federal Reserve's statement are all due later in the week. ( Tweet This ). "I ... Oil, Stocks at Tightest Correlation in 26 Years US stocks extend losses as oil rout deepens |