It was a wild week for stocks. Should you worry? Here are 4 things to keep in mind

In this photo provided by the New York Stock Exchange, a trader works on the trading floor on Jan. 26. Stocks suffered an incredibly volatile week as the Federal Reserve gears up to raise interest rates. (Allie Joseph/AP)

It was a week that shook Wall Street as an era of easy money is coming to an end.

Markets went on such a roller coaster ride that it even stumped the most veteran investors, ending, remarkably, with the biggest rally of the year for the main stock indices.

The reason for all the volatility? The Federal Reserve this week telegraphed at its first policy meeting of the year that it plans to start raising interest rates as early as March to tackle inflation, which has reached 40-year highs.