Alcoa Corp.’s AA shares tumbled 3.8% after reporting first-quarter 2019 loss per share of $0.23, wider-than the Zacks Consensus Estimate of a loss per share of $0.17Shares of Union Pacific Corp. UNP soared 4.4% after posting first-quarter 2019 adjusted earnings per share of $1.93, surpassing the Zacks Consensus Estimate of $1.89Las Vegas Sands Corp. LVS shares increased 0.5% after the company reported first-quarter 2019 adjusted earnings per share of $0.91, beating the Zacks Consensus Estimate of $0.85Shares of E*TRADE Financial Corp. ETFC advanced 2.3% after posting first-quarter 2019 earnings per share of $1.09, outpacing the Zacks Consensus Estimate of $0.94Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report Union Pacific Corporation (UNP): Free Stock Analysis Report Las Vegas Sands Corp. (LVS): Free Stock Analysis Report E*TRADE Financial Corporation (ETFC): Free Stock Analysis Report Alcoa Corp. (AA): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research