Marvell's jump to $290 on its S&P 500 inclusion is a forced institutional pump that looks like a short-term top. Once index funds finish their mechanical rebalancing, that artificial demand dries up and often triggers a sharp sell-the-news flush. The large gap below on the chart acts as a magnet, pointing to a healthy pullback toward the $214-220 zone, where $214 lines up with the 0.786 Fibonacci level. x.comÂ