The market's recent action could strengthen the odds that the well-known trading adage, "Sell in May and Go Away" holds true this year. That's because a technical trigger known as the "Moving Average Convergence Divergence sell signal" is poised to turn positive -- indicating that it's time to sell, according to Jeffrey Hirsch, editor-in-chief of the Stock Trader's Almanac.

"Look for a technical trigger and readjust the portfolio," Hirsch told TheStreet.

Watch more of TheStreet's Trading Strategies: Sell in May and Walk Away