Tuesday, Jan. 31, 2023: Cramer buys more of this stock he says is oversold

Jim Cramer and Jeff Marks share their outlook as earnings season kicks into high gear. Jim breaks down Caterpillar's first earnings miss since 2020. He says despite today's selloff, he is not panicking. Jim gives his thesis for buying more of one portfolio stock fresh off a steep selloff. Jim and Jeff also share what they are looking to hear from AMD as the chipmaker prepares to report their fourth quarter earnings after the closing bell today.