Temporary power and temperature control solutions group Aggreko plummeted on Monday after giving a gloomy outlook for next year, saying that its performance would likely be lower than the 2012. Investec downgraded its rating for the stock from 'buy' to 'hold' this morning, after the company said that comparators in 2013 will be tough owing to the one-off Olympics boost this year, lower Military revenues and uncertainty surrounding a contract with a Japanese client.Telecoms group Vodafone fell, tracking Dutch peer KPN lower after it paid more than expected to secure bandwidth, prompting the company to cancel its dividend and reduce its forecast payout for 2013.Leading the upside was IAG on the back of reports that its subsidiary British Airways has struck a deal with Ryanair to buy runway slots from Aer Lingus, as part of Ryanair's proposed takeover of the Irish airline.Mining stocks were also in demand this afternoon on increasing hopes for the Chinese economy. According to Chinese news agency Xinhua, Beijing leaders said that they wanted to boost imports and increase urbanisation to boost domestic consumption. Resource peers Kazakhmys, Rio Tinto, Anglo American and BHP Billiton were on the rise.Also helping provide a lift to the miners could be the elections in Japan where the pro-stimulus Liberal Democratic Party celebrated a landslide victory this weekend.Oil titan BP has agreed to sell its interest in the Sean gas field in the UK North Sea to SSE for €288m in cash. Both stocks were in the red.Global power systems company Rolls-Royce was out of favour despite winning a contract to supply waterjets for the Finnish navy's new high speeds landing craft. Advertising giant WPP fell after saying that it has agreed to acquire Filmworks China, an entertainment marketing agency in China, through its global media investment management arm GroupM.FTSE 100 - RisersInternational Consolidated Airlines Group SA (CDI) (IAG) 179.40p +3.28%Kazakhmys (KAZ) 777.50p +2.57%Rio Tinto (RIO) 3,445.00p +1.62%Admiral Group (ADM) 1,152.00p +1.50%Anglo American (AAL) 1,850.00p +1.29%Aberdeen Asset Management (ADN) 348.90p +1.28%BHP Billiton (BLT) 2,113.50p +0.88%Vedanta Resources (VED) 1,113.00p +0.72%Polymetal International (POLY) 1,183.00p +0.68%Tullow Oil (TLW) 1,206.00p +0.58%FTSE 100 - FallersAggreko (AGK) 1,698.00p -20.09%Wood Group (John) (WG.) 716.00p -2.45%Vodafone Group (VOD) 158.05p -1.80%British American Tobacco (BATS) 3,205.00p -1.23%Bunzl (BNZL) 1,052.00p -1.22%Wolseley (WOS) 2,799.00p -1.17%BG Group (BG.) 1,029.50p -1.15%Serco Group (SRP) 535.50p -1.11%Capita (CPI) 754.50p -1.05%Weir Group (WEIR) 1,790.00p -0.94%BC