The stock market ended Wednesday well higher, but some benefited from the rally more than others.One that lagged a bit behind peers was railroad company Union Pacific (UNP 7.33%); the market was guarded about the stock after it was flagged for a pair of analyst price target cuts. Its 7%-plus rise on the day would be impressive for a typical trading session, but Wednesday's saw the S&P 500 index blast 9.5% higher.Back-to-back analyst cutsNeither of the cuts was overly dramatic, but together they dampened sen ...