He was permitted to stay on an H1-B visa, but it tied him to his employer.

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Given the long waits for green cards, an H-B visa is usually required if a U.S. employer wants to hire a skilled foreign national from a U.S. university or abroad.

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It stipulates that you have to be a STEM graduate (Science Technology Engineering or Mathematics) with a valid visa within a year of graduation or with a H1-B Visa to qualify.

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Among the largest underlying components of XLG, in trading today Berkshire Hathaway Inc. ( NYSE: BRK.B) is up about 0.9%, Visa Inc ( NYSE: V) is up about 0.5%, and Ford Motor Co. ( NYSE: F) is up by about 1.7%.

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The Secretary of State is hereby further authorized to exercise the functions and waiver authorities conferred upon the President by section 401(b) of CISADA (22 U.S.C. 8551(b)) with respect to the requirement to impose or maintain visa sanctions under section 105(a) of CISADA (22 U.S.C. 8514(a)) and to redelegate these functions and waiver authorities consistent with applicable law.

WHITEHOUSE: The White House