Dow Ends Day Up 222 S&P 500, Nasdaq also close higher By Newser Editors and Wire Services Posted May 10, 2016 3:16 PM CDT 0 comments Comments Trader Greg Mulligan works on the floor of the New York Stock Exchange, Monday, May 9, 2016. (AP Photo/Richard Drew) (Newser) – Stocks had their biggest gain in two months as traders were encouraged by more efforts by China to stem a slowdown in the world's second-largest economy. Energy companies rose more than the rest of the market Tuesday as prices for crude oil and natural gas bounced higher, the AP reports. Southwestern Energy jumped 7% and Hess rose 6%. US crude oil and natural gas futures each rose 3% in New York. Materials and industrial companies also posted solid gains. Caterpillar and General Electric each rose 2%. The Dow Jones industrial average rose 222 points, or 1.3%, to 17,928. The Standard & Poor's 500 index climbed 25 points, or 1.3%, to 2,084. The Nasdaq composite index added 59 points, or 1.3%, to 4,809.