Magnificent Seven slump sent momentum stocks to their fourth worst performance in 22 years. Here's what happens 70% of the time.
By Nora Redmond"Magnificent Seven" stocks shed 6% on an equal-weight basis last week compared to the other 493 stocks in the S&P 500 climbing 0.7%."Magnificent Seven" stocks are impinging on investors' returns, according to Citigroup - and it's triggered the fourth-worst day for momentum stocks in…