[Silicon Motion Announces Second Quarter Results for the Period Ended June 30, 2008 Second Quarter 2008 Financial Highlights * Net sales increased 2% year-over-year to US$48.6 million * Gross margin excluding stock-based compensation declined from 2Q07 to 47.3%, mainly because of a mobile communications product mix shift from tuners to SiPs and write-offs of obsolete inventory; mobile storage product gross] []