8. Sanmina-SCI ( SANM) Company Profile: Sanmina-SCI focuses on engineering and fabricating complex components, such as printed circuit boards, enclosures, plastics and cables. SAC Capital's Investment: Cohen purchased nearly 1 million shares of Sanmina-SCI in the third quarter, a position that carried a market value of $6.5 million as of Sept. 30. Share Price Performance: The stock is down 26% this year, which makes the chart look bad overall. However, Sanmina-SCI has rallied more than 26% since Sept. 30.