Under current law, the maximum child tax credit is $2,000, which will revert to $1,000 after 2025 without action from Congress. Both House and Senate proposals would increase the top credit, but phase-ins would mirror the current tax break.

A U.S. Senate panel proposed making the tax credit for capturing carbon emissions for recovering oil equal to the $85/metric ton tax credit for permanently burying those emissions underground, a boon for oil and gas producers.

Solar stocks slid after Senate Republicans detailed revisions to the House's tax-and-spending bill that included fully phasing out wind- and solar-tax credits. The Senate's plan would see credits phased out from 2026,