Years of work on Wall Street to pick up the pace of trading will be put to the test this week. Starting Tuesday, trades of stocks and several other securities will need to be settled by the end of the next business day. This so-called "T+1 settlement" is an acceleration of the previous process, which allowed for two business days. The latest change comes after the GameStop mania in 2021 put the settlement process under closer scrutiny. There was also increased instances of "failure to deliver," or trades where settlement did not occur, during that period.

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Persons: Gary Gensler, Tim Huver, Brown, Harriman Organizations: Securities, Exchange, SEC, GameStop