US stocks were mixed Monday and the S&P 500 eked out a record high for the sixth day in a row as investors digested the announcement of a trade deal between Washington and Brussels.

In short, history says the stock market is about to soar, and most Wall Street analysts who follow The Trade Desk ( TTD 0.48%) and Pure Storage ( PSTG -0.59%) have buy ratings on the stocks. Among 42 analysts, The Trade Desk has a median target price of $90 per share. That implies 10% upside from its current share price of $82.