Castlight Health, a provider of cloud-based software that enables companies to gain control over their health care costs, listed its IPO on the NYSE on Friday. Its shares were trading around $40 mid-morning, well above its $16 issue price. CEO Giovanni M. Colella says the company hopes to increase price transparency in the American healthcare system, which still faces multiple challenges in terms of equal access. TheStreet's Jane Searle reports from the NYSE.
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