Seagate (STX) shares rallied 7.7% in the last trading session to close at $211.12. 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 26.9% gain over the past four weeks.The increase in share price can be attributed to the recent launch (September 15) of the LaCie Rugged SSD4, a compact external solid-state drive designed for creators working beyond the confines of a traditional studio. Designed for filmmakers, ...