Here’s a surprising new fact about the world’s largest and most-liquid public equity market: Most of the activity on it isn’t public anymore.

Wall Street's main indexes rose on Tuesday, with the S&P 500 and the Dow closing at their highest levels in more than a month as investors assessed Donald Trump's first actions as U.S. president and were encouraged that he did not start his second term with blanket tariff increases.

US stock indices opened higher on Tuesday, as investors’ focus shifts on President Donald Trump's executive orders on energy and immigration, while awaiting his trade policy. At 09:57 a.m. the Dow Jones Industrial Average rose 258.