* FTSE 100 up 4.2 percent as global stocks recover
* Strong results from Aviva, BP lift sentiment
* Firmer commodity prices lift energy, miners
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By Amanda Cooper
LONDON, Oct 28 (Reuters) - Britain's top blue-chip shares had rallied by midday on Tuesday, after a flurry of positive corporate results.
A rebound in the price of crude oil <CLc1> and forecast-beating results from BP <BP.L> helped boost the energy sector, while an upbeat trading statement from Asia-focussed bank Standard Chartered <STAN.L> lifted the financial sector.
By 1203 GMT the FTSE 100 <
> was up 162.20 points at 4,014.63 after closing down 0.8 percent on Monday.But the index is still on track for a near-18 percent decline in October as growing fears of a recession in Britain and the firestorm in the global financial system have terrified investors. "It's a bit of a nicer day today. That goes without saying," said Philip Lawlor, chief portfolio strategist at Nomura Securities.
"It's been a torrid period. I think all eyes are on monetary policy going forward ... to get a more meaningful bounce here (in stocks) we've got to have this sign that central bankers are going to be, by Christmas, targeting another two to three interest rate cuts," he said.
The Bank of England has cut rates twice this year and is widely expected to cut rates by another 50 basis points to 4 percent next week.
LATE ASIA BOUNCE
The more robust tone in the FTSE 100, which is hovering around its lowest level in five years, was set by a late jump in Asian shares, which recovered somewhat from Monday's hefty losses.
Leading the move higher was heavyweight BP, which rose 8.4 percent after beating all forecasts and reporting a 148 percent rise in third-quarter replacement cost profits compared with the same period in 2007, to a record $10.0 billion thanks to higher oil prices. [
]Other gainers in the energy sector included Cairn Energy <CNE.L>, which rose 2.5 percent, Royal Dutch Shell <RDSa.L> and BG Group <BG.L>, which both rose 6.7 percent.
"All the important numbers have been strong this morning, BP released belting results and Aviva's <AV.L> results were reassuring," said Jim Wood-Smith, head of research at Williams de Broe in Exeter.
"The news has been so unrelentingly miserable over the last few weeks that there's every chance of a random bounce, and this looks like it."
British life insurer Aviva reported a better than expected 12 percent rise in its nine-month sales, and confirmed that it may renegotiate a 1 billion-pound payout to policyholders as a result of weak financial markets. It rose 13.5 percent.
Fuelling the recovery in the banking sector was the BoE's twice-yearly Financial Stability report which said global intervention should steady the financial system but will also put big constraints on banks. [
]HSBC <HSBA.L>, Royal Bank of Scotland <RBS.L> and HBOS <HBOS.L> added between 2.6 percent and 6.2 percent.
Miners also snapped a heavy losing streak as metal prices recovered ground after steep falls.
BHP Billiton <BLT.L> and Rio Tinto <RIO.L> rose 7.6 percent.
The Federal Reserve begins a two-day meeting ahead of a decision on interest rates at which it is expected to cut interest rates by 50 basis points <FEDWATCH>.
Speculation about the outlook for global monetary policy also heightened after European Central Bank President Jean-Claude Trichet said on Monday the ECB could cut rates at its November meeting. [
] (Additional reporting by Simon Falush; Editing by Greg Mahlich)