Since the SEC put the rule into effect last week, naming an initial 799 banks and financial stocks in the ban, the exchanges themselves have added 130 more stocks.
During initial arguments Monday, the justices sent clear signals that they believe they can rule on the health-care overhaul now, casting aside a possible procedural hurdle.
An initial ruling from the High Court in 2011 said that domestic workers should not be excluded from a rule that allows foreigners to settle in the city after seven years of uninterrupted residency.