CSX Corporation (CSX) is currently mired in multiple headwinds, which, we believe, have made it an unimpressive investment option.Let’s delve deeper.Southward Earnings Estimate Revision: The Zacks Consensus Estimate for current-quarter earnings has moved 8.8% south in the past 90 days. For the current year, the consensus mark for earnings has been revised 9.8% downward in the same time frame. The unfavorable estimate revisions indicate brokers’ lack of confidence in the stock.Dim Price Performance:  The com ...