Fortune 500 rank: 366
2010 revenue: $6.3 billion
10-year annualized return: -25.9%
The electronics manufacturer, which does contract assembly and production work for Fortune 500 companies, is yet another tech company whose stock plummeted in the early part of the decade.
Though Sanmina-SCI has grown since then by making acquisitions and pushing into new markets like medical equipment, it struggled for years to turn a profit. Part of the problem, analysts say, is that the electronic manufacturing industry is fiercely competitive on pricing, and Sanmina-SCI was slow to move to lower cost production sites like China.
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Last updated May 05 2011: 2:52 PM ET