Like-for-like sales accelerated at retailer Pets at Home in the first quarter, sending the company's shares scampering higher even though the result was against weak figures the prior year. The like-for-like increase of 4.1% was an improvement on the final quarter of the previous year and well ahead of the 0.2% LFL figure generated during an exceptionally hot period last year.UK price comparison website Moneysupermarket rose after it said it had achieved a 14% rise in underlying pre-tax profit to £17.1m in the first half, as revenue increased across the business. Group revenue climbed 9% to £122.4m with growth in the MoneySuperMarket, MoneySavingExpert and TravelSupermarket brands.Meanwhile, International Personal Finance fell despite posting a record half-year profit on the back of a strong increase in revenue and customer numbers. Pre-tax profit rose 11% to £47.1m in the six months ended June 30th as revenue jumped 17%. Shares in Jupiter Fund Management were lower after the group revealed that one of its large segregated mandates was expected to redeem later in the year. The news was announced in the group's half-year results, which revealed that assets under management (AuM) had increased to £33.1bn after the group benefitted from net mutual fund inflows of £875m.FTSE 250 - RisersPets at Home Group (PETS) 179.90p +5.82%Tullett Prebon (TLPR) 248.80p +3.67%Premier Oil (PMO) 330.80p +2.67%ICAP (IAP) 360.10p +2.65%Moneysupermarket.com Group (MONY) 186.50p +2.47%Evraz (EVR) 97.45p +2.26%AO World (AO.) 197.30p +2.07%Rathbone Brothers (RAT) 2,024.00p +2.07%COLT Group SA (COLT) 143.30p +1.99%Phoenix Group Holdings (DI) (PHNX) 707.00p +1.95%FTSE 250 - FallersPace (PIC) 337.80p -6.66%International Personal Finance (IPF) 553.00p -5.63%Hochschild Mining (HOC) 159.80p -4.31%Jupiter Fund Management (JUP) 397.20p -4.31%Dignity (DTY) 1,324.00p -4.20%Investec (INVP) 517.50p -3.27%Spectris (SXS) 1,910.00p -2.55%CSR (CSR) 535.00p -2.55%Ferrexpo (FXPO) 137.20p -2.21%Keller Group (KLR) 893.50p -2.14%NR