and the ban's possible effect on Muslim refugees, led to condemnation from Jewish organizations, including the Anti-Defamation League, the HIAS, and J Street, as well as Holocaust survivors. Some of these organizations were involved in the protests against the immigration ban at the JFK International airport and in Manhattan, with groups of Jews, on the Sabbath, joining interfaith protests with Muslims against the immigration ban. Jihadists Jihadist and Islamic extremist organizations celebrated the executive order as a victory, saying that "the new policy validates their claim that the United States is at war with Islam." ISIL-linked social media postings "compared the executive order to the U.S. invasion of Iraq in 2003, which Islamic militant leaders at the time hailed as a 'blessed invasion' that ignited anti-Western fervor across the Islamic world." Terrorism analyst Rita Katz, founder of the SITE Intelligence Group, stated that: "Jihadists would have to argue to lengths that Obama, Bush, and others held anti-Islam agendas and hated the religion — not just radical terrorists. Trump, however, makes that argument a lot easier for them to sell to their followers." Financial markets The stock market had its biggest drop in 2017 as investors reacted to the curb on immigration. As uncertainty about the executive order continued, investors began to "dump stocks and the dollar" causing the Dow Jones Industrial Average to fall below 20,000. European and Asian markets also closed at lower rates because of the uncertainty surrounding the executive order. Public opinion On January 28, FiveThirtyEight discussed the ban, saying "the scope of Trump's executive order is such that we're largely in uncharted waters. Past polls are only so useful, as most of them did not ask about actions as broad as the ones Trump undertook." Summarizing past polls, they found that Americans generally support reductions in immigration and refugee intake numbers, but oppose a religion-based immigration ban and blanket bans. Polls taken after the executive order was issued demonstrated a split in U.S. public opinion on the order. Different polls yielded different results, based on how the question was asked and the specific phrasing of the question. Additionally, some parts of the order were more popular than others; a particularity that according to The Washington Post reflected "complicated attitudes" on the part of the American public. A number of national surveys taken in the days following the order's issuance yielded contradictory findings: Rasmussen Reports conducted a