(AP) -- Shares of Fusion-io, a maker of fast, chip-based "hard drives" for servers, are climbing in their market debut after the initial public offering priced above expectations.
Shares priced at $19 each, above early expectations of $13 to $15. That price valued the company at $1.48 billion. The company and its shareholders sold $234 million in stock.
Fusion-io Inc.'s flash memory products allow companies to store lots of data and access it quickly. Resellers include Dell Inc., Hewlett-Packard Co. and IBM Corp. Facebook is its biggest customer. Stephen Wozniak, one of the founders of Apple Inc., is Fusion-io's "chief scientist."
It's the latest U.S. technology company to trigger strong demand from IPO investors.
Shares are up nearly 29 percent at $24.47 in midday trading.
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