Silicon Motion (SIMO) shares rallied 12.4% in the last trading session to close at $105.21. This move can be attributable to notable volume with a higher number of shares being traded than in a typical session. This compares to the stock's 0.8% gain over the past four weeks.Silicon Motion has expanded its SSD controller program engagements with PC OEMs and eMMC/UFS controllers for smartphones, automotive applications and IoT/smart devices. The company is adding to this momentum with the upcoming launch of i ...