- NEW: Negotiatiors "very close" to a deal, GOP source says
- President Barack Obama plans statement on "fiscal cliff" negotiations
- Possible deal calls for increase in income, estate taxes
- The fiscal cliff triggers broad tax increases and an automatic $110 billion in spending cuts
Stocks bounced to trade near session highs in choppy trading Monday as lawmakers in Washington scrambled to strike a last-minute deal to avert the "fiscal cliff."