Marvell is joining the S&P 500 — but history says the early bump comes with a big catch: Chart of the Day
Marvell Technology (MRVL) jumped 9.6% Monday after getting invited into the S&P 500 (^GSPC), the kind of move that can force index funds to buy and traders to pile in ahead of them. The catch is that the edge usually comes early. After analyzing 1,926 S&P 500 additions going back to 1957, Yahoo Finance found…
