Here is the latest Massachusetts business news from The Associated Press

BOSTON (AP) — Governor Deval Patrick and the Mashpee Wampanoag tribe have signed a revised compact that would provide the state with 17 percent of gambling revenues from a proposed casino in Taunton. The deal replaces an earlier one that called for the tribe to hand over 21.5 percent of gambling revenue to the state. The Bureau of Indian Affairs said that was too high a figure and rejected the agreement.

BOSTON (AP) — The chief executive of New England's power grid manager warned Tuesday that a growing regional dependence on natural gas, combined with supply constraints, is threatening its ability to guarantee electricity whenever and wherever it's needed. Gordon van Welie of ISO New England testified in Washington before a House subcommittee that "the status quo is unsustainable."

WALTHAM, Mass. (AP) — Raytheon has raised its cash dividend by 10 percent. It's the defense contractor's ninth annual increase in a row. The company's board authorized increasing the quarterly dividend to 55 cents from 50 cents per share. It will be paid on May 2nd to shareholders of record on April 3rd. Over the course of a year, the dividend amounts to $2.20, up from $2.00 per share.

BOSTON (AP) — A judge in Boston has thrown out a lawsuit challenging a 2006 federal law that animal rights activists say violates their free speech rights. U.S. District Judge Joseph Tauro dismissed a challenge brought by five people who said the Animal Enterprise Terrorism Act made them afraid to participate in public protests because it prohibits anyone from intentionally causing the loss of personal property of animal-related businesses or laboratories.