Which poll do you believe ? This one....
Democrats this week have jumped into a 6-percentage-point generic-ballot edge for November’s election, according to a new Gallup poll.

Forty-nine percent of the 1,535 adults surveyed nationwide said they would prefer to vote for a Democrat to represent their congressional district. Forty-three percent are more likely to vote for a Republican.

Just more than a month ago, Republicans held a 6-point edge on Democrats in the poll.

Though the two parties have gone back in forth in Gallup’s generic ballot since the spring, Republicans have held a lead for most of the last three months.

The 6-point edge Democrats currently enjoy is the largest they have seen in months.

Democrats have yet to catch Republicans among independent voters, however, but are closing the gap.

Republicans hold a 4 percentage point edge among independents in this week's poll, 43-39 percent. Just a week before, Republicans led by 14 percentage points. In mid-June, Republicans led 52 percent to 31 percent among independents.

In her analysis, Gallup’s Lydia Saad speculated that the generic ballot bump for Democrats this past week could be due to the passage of financial reform.

“The financial reform bill is the second-biggest piece of legislation to get through Congress this year, after healthcare reform, and it enjoyed majority support,â€