Semiconductor maker Marvell Technology Inc MRVL.O fell 8.6% after its first-quarter profit and revenue forecast fell short of analysts' estimates. Wall Street indexes have had a volatile start to March after the latest economic data pointed to rising raw material costs and a resilient labor market, while signaling that the U.S. central bank was yet to see the desired impact of its policy tightening measures on inflation. Central bank officials including Bostic and Fed Dallas President Lorie Logan are scheduled to speak later in the day.