Marvell Technology Inc. declined in late trading after delivering a revenue forecast that fell short of the highest estimates, disappointing investors who were looking for a bigger payoff from the AI boom.Sales will be about $1.88 billion in the fiscal first quarter, which runs through April, the chipmaker said in a statementBloomberg Terminal Wednesday. Though that was in line with the average analyst estimate, some projections ranged as high as $2 billion....