Satellite and cable technology firm Pace continued to rise strongly for the third straight day after Bloomberg reported that Netflix is in talks to add TV subscription-streaming services to set-top boxes of US cable-TV operators.Meanwhile, as on the top-tier FTSE 100, the fallers were led by mining stocks as a deal to avert a US default remained elusive with just one day to go before the debt-ceiling deadline. Kenmare Resources, Polymetal International, and Kazakhmys were all firmly lower. "Cyclical names are bearing the brunt of the selling, with concerns over global growth well founded given the impact of the US government shutdown so far," Matt Basi, Head of UK Sales Trading at CMC Markets observed. After a strong start to the week, Imagination Technologies shares retreated on Wednesday afternoon. On Monday the group announced details of a new chip, based on its version of the MIPS Series 5 architecture. The news has impressed investors because the technology is able to challenge competitors such as ARM. FTSE 250 - RisersSenior (SNR) 279.30p +5.44%F&C Asset Management (FCAM) 102.20p +4.02%Kentz Corporation Ltd. (KENZ) 533.50p +3.19%Mitie Group (MTO) 308.40p +3.14%Pace (PIC) 294.30p +3.05%Micro Focus International (MCRO) 788.50p +2.67%Partnership Assurance Group (PA.) 409.60p +2.66%Synthomer (SYNT) 248.30p +2.56%Rathbone Brothers (RAT) 1,542.00p +2.46%St. Modwen Properties (SMP) 343.20p +2.45%FTSE 250 - FallersKenmare Resources (KMR) 23.20p -5.88%Homeserve (HSV) 228.70p -5.73%Polymetal International (POLY) 527.00p -3.92%Provident Financial (PFG) 1,603.00p -3.20%Imagination Technologies Group (IMG) 275.50p -2.82%Kazakhmys (KAZ) 260.90p -2.69%Spirent Communications (SPT) 124.00p -2.52%Rank Group (RNK) 155.20p -2.39%Close Brothers Group (CBG) 1,269.00p -2.38%Ted Baker (TED) 1,671.00p -2.11%NR