The Marvell Technology S&P 500 inclusion announcement landed like a starting pistol for options traders, touching off a wave of bullish positioning across semiconductor names at a moment when the sector was already raw from two weeks of violent swings. The Marvell Technology S&P 500 Inclusion Trade S&P Dow Jones Indices confirmed, via a S&P Dow Jones Indices press release, that Marvell Technology and contract electronics manufacturer Flex would join the index prior to the open on 22 June 2026, coinciding with the quarterly rebalance. Pool Corp and The Campbell’s Company are the two names being removed to make room.…