US stocks ended flat, yesterday. So the Dow Jones Industrial Average fell 1 points, at 12,982. The S&P 500 gained 2 points, to 1,368. And the Nasdaq Composite index gained 2 points, to 2,966. In economic news, pending home sales climbed at a 2% clip in January, helping shares of homebuilders push higher. Meanwhile, Moody's issued a report saying a default by Greece on its sovereign debt is still very possible.