A sense of déjà vu overwhelmed Wall Street this week, as Donald Trump’s election win gave the stock market a jolt similar to what happened after his victory eight years ago. Small caps soared, banks leaped and the S&P 500 Index had its best Election Day in history and strongest week in 12 months.

One of Wall Street’s last remaining bears warned Thursday that the S&P 500 is approaching “mania” levels as stocks become more expensive, setting up the potential for a further surge in the near term followed by a painful pullback.

The Dow crossed 44,0000 for the first time ever as stocks were on track for their best week in a year on optimism that President-elect Donald Trump's policies will boost the economy.

U.S. stocks are ticking higher ahead of the Federal Reserve’s announcement coming later in the afternoon about what it will do with interest rates.

All year, a slew of Wall Street pros have questioned the durability of an indiscriminate risk rally that has fattened stock prices by trillions of dollars, sent Bitcoin soaring, fueled a credit bonanza,