Microchip Technology Inc. /zigman2/quotes/208326291/composite MCHP -2.19% shares rose 2.8% in the extended session Tuesday after the company reported revenue that missed analyst estimates. The company reported fiscal second-quarter net income of $108.9 million, which amounts to 43 cents a share, versus net income of $96.3 million, or 38 cents a share, in the year-ago quarter. Adjusted for amortization of intangible assets and stock-based compensation, among other items, earnings were $1.43 a share. Revenue fell to $1.34 billion to $1.43 billion in the year-ago period. Analysts surveyed by FactSet had estimated adjusted earnings of $1.43 a share on sales of $1.35 billion. For the fiscal third quarter, analysts estimate adjusted earnings of $1.22 a share on sales of $1.26 billion. Microchip Technology said it expects third-quarter adjusted earnings of $1.12 to $1.32 a share on sales of $1.2 billion to $1.31 billion. Microchip Technology stock has gained 28% this year, with the S&P 500 index /zigman2/quotes/210599714/realtime SPX -0.29% rising 24%.