REUTERS/Dario Cantatore/NYSE EuronextUS stocks gained as investors adjust their portfolios to a second Trump presidency.Investors will turn their attention to inflation this week, with October CPI set to be released on Wednesday.Corporate earnings reports are winding down, with Nvidia set to report on November 20.US stocks gained on Monday, extending the postelection rally as investors adjust their portfolios to prepare for a second Donald Trump presidency.Everything from bitcoin to Tesla to the US dollar rallied Monday morning.