U.S. markets gained this Monday on last session's sell off as investors guessed whether European committees may bolster Spanish banking sector. The Dow Jones Industrial Average inched higher 19.45 points to 12,139. The Standard & Poor 500 index grew 4 points, a 0.3 per cent increase, to 1,282.13 and the Nasdaq Composite index climbed 22 points, a 0.8 per cent increase, to 2,769.