UPDATE 4-Union Pacific misses EPS estimate, shares dip

view of $4.41 bln * Volume up 5 pct despite storms, fuel; Shares dip on day * Union Pacific, CSX see record 2011 (Adds CEO interview, CSX results, analyst comment, byline) By Lynn Adler NEW YORK, April 20 (Reuters) - Union Pacific Corp (UNP.N Volume...