Micron Technology's shares jumped 5% in after-hours trading on Wednesday, April 1, after the company posted a better than expected second-quarter earnings report due to tax benefits and modest sales growth during the quarter. Highlights from the report include diluted earnings of $0.81 a share on $4.17 billion in revenue, coming ahead of analysts' expectations of $0.73 earnings per share and $4.15 billion in revenue.