US stocks close lower, snap S&P 500's 3-day winning streak

AP — Energy companies led U.S. stocks slightly lower Monday as the price of crude oil declined, snapping a three-day winning streak for the Standard & Poor’s 500 index.

Phone company and real estate stocks were also among the big decliners. Technology and industrial companies eked out tiny gains.

Investors are continuing to focus on company earnings reports this week as they size up the health of...