CSX dominates stock market with impressive earnings and after-hours trading surge.
CSX, Pool, Procter & Gamble, and HCA Healthcare stocks rose after reporting better-than-expected earnings and revenue for the first quarter. Meanwhile, W R Berkeley and Albemarle shares fell after their earnings missed analysts' expectations. United Health Services rose after Cantor Fitzgerald initiated an underweight rating, and SLB dropped despite posting an earnings and revenue beat for the first quarter.