Move chops revenue from the proposed 20% excise tax on certain payments to offshore affiliates.

Measure would keep U.S. government open through Dec. 8.

House GOP stuck on budget disagreements.

Fight over the impact of Dodd-Frank reforms shifts to federal financial spending bill.

Emboldened by swap victory in current spending bill, Wall Street considers agenda for further Dodd-Frank rollback when Republicans control the Senate.

Banks would be allowed to keep derivatives in units with federal backstops, and underfunded multi-employer pensions would be allowed to reduce benefits.

Many Democrats oppose measure easing rule that restricts banks' derivatives trading.