What are the factors used to determine whether a federal litigant has jurisdiction to stay a motion in a state court?

forum shop, (7) whether the state court proceedings are adequate to protect the federal litigant's rights, and (8) whether the state court proceedings are parallel. See Nakash v. Marciano, 882 F.2d 1411, 1415-17 (9th Cir. 1989). The weight given to any one factor may vary greatly, depending upon the circumstances of the case. See Moses Cone, 460 U.S. at 16. "No one factor is necessarily determinative; a carefully considered judgment taking into account both the obligation to exercise jurisdiction and the combination of factors counseling against that exercise is required." Travelers, 914 F.2d at 1367 (quoting Colorado River, 424 U.S. at 818-19). In determining whether to grant a stay, the balance weighs heavily in favor of the exercise of jurisdiction. See Moses Cone, 460 U.S. at 16.