(ShareCast News) - London's mid-cap index was in the red on Tuesday as weak Chinese and UK manufacturing figures weighed on sentiment. At 1440 BST, the index was down 1.8% at 16,807.07.OneSavings Bank was the standout gainer after Numis raised its forecasts and target price on the stock following stronger-than-expected interims. The brokerage lifted its earnings per share estimate for this year by 10% to 33.6p and for next year by 16% to 35.6p. "We have changed our forecasts to reflect stronger balance sheet growth and a slower increase in impairment and margin attrition," it said, retaining its 'hold' rating.Business services group Rentokil was on the front foot after reaching an agreement to acquire US-based Steritech Group for $425m in cash to accelerate the growth of its pest control business. Rentokil said the deal, which is subject to US regulatory approval, strengthens its position as the number three pest control business in the US, which is a market of around $7.5bn and accounts for approximately 50% of global pest control services.Online grocery delivery service Ocado strutted its stuff after Exane BNP Paribas upgraded the stock to 'neutral' from 'underperform' and lifted its price target to 325p from 260p following a pullback in the share price. "We take a deep dive on Ocado's international potential, revisit the UK business, and conclude that, after a pull-back, the shares are broadly fair, not compelling value," said Exane.Real estate investment trust Redefine International gained after saying it has sold its remaining stake in the Cromwell Property Group, held through its fully-owned subsidiary Redefine Australian Investment, in line with its strategy to dispose of its non-core assets. Redefine said proceeds from the sale will strengthen its cash position and will be used, when opportune, to acquire properties in the company's its core investment markets of the UK and Germany.On the downside, shares in platinum miner Lonmin slumped owing to continual reduced take-up of the precious metal for industrial use. Steelmaker Evraz slumped amid growing worries about a slowdown in China, which is attempting to bring its own steel on to the market in incremental volumes.Hedge fund Man Group was also under the cosh following a press report that the chairman of its China unit, Li Yifei, has been taken into custody by Chinese authorities to assist with a police probe into market volatility. According to Bloomberg, which cited people familiar with the matter, authorities are looking into the cause of the sharp swings seen in the Chinese stock market recently. RisersOneSavings Bank (OSB) 356.80p +2.53%RisersRentokil Initial (RTO) 152.00p +2.49%Ocado Group (OCDO) 350.40p +2.22%Euromoney Institutional Investor (ERM) 1,032.00p +2.08%Nostrum Oil & Gas (NOG) 500.00p +2.06%Barr (A.G.) (BAG) 572.50p +2.05%Riverstone Energy Limited (RSE) 867.50p +1.40%Rathbone Brothers (RAT) 2,204.00p +1.33%Lancashire Holdings Limited (LRE) 659.50p +1.15%Redefine International (RDI) 53.35p +1.14% FallersLonmin (LMI) 32.23p -8.18%Evraz (EVR) 73.20p -7.28%Henderson Group (HGG) 242.00p -6.71%Petra Diamonds Ltd.(DI) (PDL) 118.00p -5.60%Redrow (RDW) 455.40p -5.50%Man Group (EMG) 152.60p -5.28%Crest Nicholson Holdings (CRST) 526.00p -4.88%TalkTalk Telecom Group (TALK) 287.00p -4.62%Kaz Minerals (KAZ) 166.50p -4.53%Fidelity China Special Situations (FCSS) 115.60p -4.46%