Rocket Lab up after signing another rocket launch deal with Synspective

** Rocket Lab's RKLB shares rise 2.3% to $48.09 after the bell

** RKLB and Synspective strike 10-launch deal, boosting contracted missions to 21 launches

** The contract secures the launch of 21 StriX SAR satellites across multiple missions through to end of the decade

** RKLB signed the first deal with Japanese Earth observation company Synspective in June last year

** Up to last close, RKLB had risen 86.6% YTD