(CNSNews.com) - President Barack Obama's lead over Republican presidential candidate Mitt Romney has grown to 6 points, with Obama leading 50 percent to 44 percent, according to the Gallup tracking poll.
Each day, Gallup releasing a rolling average for its polling over the last seven days. In each seven-day period, Gallup interviews about 3,050 registered voters nationwide and the survey has a margin of error of +/- 2 percentage points.
The latest results--Obama 50 percent, Romney 44 percent--are from the seven-day period ending on Monday, Sept. 10. Yesterday, when Gallup reported the results for the seven-day period ending on Sunday, Sept. 9, Obama had led Romney 49 percent to 44 percent.
Two weeks ago, on Monday, Aug. 27, just before the Republican National Convention started, Romney had led Obama 47 percent to 46 percent. However, after the last night of the Republican convention on Aug. 30, Obama led Romney 47 percent to 46 percent.
After the last night of the Democratic National Convention on Sept. 6, Obama led Romney 48 percent to 45 percent. Since then, Obama's lead has grown an additional 3 points.
The latest Gallup seven-day tracking period began on Tuesday, Sept. 4, the day the Democratic convention started.