Shares of Marvell Technology Inc. (NASDAQ: MRVL) came under pressure in early trading on Thursday, despite the company announcing a big share buyback authorization.Here are some key analyst takeaways from the JPMorgan Fireside Chat with Marvell Technology's CEO on Wednesday:BofA Securities analyst Vivek Arya maintained a Neutral rating, while raising the price target from $78 to$88.JPMorgan analyst Harlan Sur maintained an Overweight rating and a price target of $120.Check out other analyst stock ratings.B ...