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What: Shares of Net 1 UEPS (Nasdaq: UEPS) jumped today by as much as 15% after a favorable court ruling.

So what: In January, the company was awarded a lucrative contract by the South African Social Security Agency, or SASSA, to provide payment services for government social grants for five years. A month later, the contract was disputed by two local companies that lost during the bidding process, AllPay and Empilweni.

Now what: AllPay and Empilweni had said the award "threatens to completely destroy" its business. Net 1's announcement today was that the North Gauteng High Court ruled that the SASSA contract was valid and won't be set aside. The contract will involve enrolling millions of grant recipients and issuing smart cards with biometric tools.

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