Regulators and exchange operators have decided to close U.S. equity trading for a second straight day Tuesday as Hurricane Sandy bears down on the Eastern United States. The moves over the past two days have come amid pressure from regulators and market participants.

In an interview with FOX Business prior to the announcement, NYSE Euronext Chief Executive Officer Duncan Niederauer said every effort would be made to open again on Wednesday.

“It’s going to be pretty important for the markets to be open” on Wednesday, he said. In particular, he cited pressure clients would be under to make end-of-the-month deals.

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