Siliconware Precision Industries Co. Ltd (NASDAQ:SPIL) reported earnings from continuing operations of 8 cents per ADR for the second quarter of 2010, falling below the Zacks Consensus Estimate of 12 cents.   Revenues for the quarter were NT$ 16,386 million ($514.5 million), which represented a 4.5% increase in revenues compared with the prior quarter and 11.6% increase ...