This is what market history says about May sell-off

Jeff Hirsch of the Stock Trader's Almanac joins CNBC's "Power Lunch" team to give his take on the markets.

Power Lunch,CNBC,business news,finance stock,stock market,news channel,news station,breaking news,us news,world news,cable,cable news,finance news,money,money tips,financial news,stock market news,stocks,Stock picks,stock market today,stock market futures,what stocks to invest in,how stocks trade,how to make money with stocks,