(Sharecast News) - London's FTSE 100 was down 1.1% at 7,891.49 in afternoon trade on Friday.

Insurer Admiral was up after BNPP Exane reinstated coverage of the shares at 'outperform' with a 3,348p price target.

Oil and gas giant Shell nudged higher as it raised its short-term production forecasts and said it expects an increase in margins as it updated its guidance for the first quarter.

Ocado was under the cosh, having announced on Thursday that chairman Rick Haythornthwaite will be stepping down next year "due to his increasing commitment" as the recently-appointed chair of NatWest.

FTSE 100 - Risers

Admiral Group (ADM) 2,654.00p 0.64%

Shell (SHEL) 2,774.50p 0.38%

Smith & Nephew (SN.) 968.00p 0.23%

Standard Chartered (STAN) 703.40p 0.20%

Haleon (HLN) 325.00p 0.03%

RELX FINANCE BV 3.375% GTD NTS 20/03/33 (BW73) 99.72p 0.00%

BP (BP.) 508.90p 0.00%

Rolls-Royce Holdings (RR.) 418.30p -0.17%

HSBC Holdings (HSBA) 640.30p -0.22%

BAE Systems (BA.) 1,310.00p -0.23%

FTSE 100 - Fallers

Ocado Group (OCDO) 383.00p -8.20%

St James's Place (STJ) 427.40p -4.73%

JD Sports Fashion (JD.) 127.75p -2.89%

Kingfisher (KGF) 242.30p -2.89%

Schroders (SDR) 367.20p -2.86%

DCC (CDI) (DCC) 5,490.00p -2.83%

Croda International (CRDA) 4,539.00p -2.83%

Entain (ENT) 775.80p -2.71%

Associated British Foods (ABF) 2,426.00p -2.53%

International Consolidated Airlines Group SA (CDI) (IAG) 172.15p -2.49%