(Sharecast News) - London's FTSE 250 was up 1.2% at 20,499.68 in afternoon trade on Wednesday.

Safestore was in the red as the self-storage specialist said it expected annual earnings to be in the lower half of consensus forecasts as it posted a fall in interim core earnings amid tough trading conditions in most of its markets.

Octopus Renewables was also weaker after it provided an update on its construction and development activities.

FTSE 250 - Risers

Patria Private Equity Trust (PPET) 557.00p 4.11%

Supermarket Income Reit (SUPR) 73.10p 3.69%

Hammerson (HMSO) 28.62p 3.55%

Ninety One (N91) 162.20p 3.38%

Workspace Group (WKP) 572.00p 3.25%

Energean (ENOG) 1,049.00p 3.25%

Drax Group (DRX) 509.00p 3.20%

International Workplace Group (IWG) 182.00p 3.12%

Investec (INVP) 537.50p 2.97%

Future (FUTR) 1,081.00p 2.95%

FTSE 250 - Fallers

Safestore Holdings (SAFE) 795.00p -3.99%

FirstGroup (FGP) 159.80p -3.03%

Octopus Renewables Infrastructure Trust (ORIT) 72.60p -2.42%

Playtech (PTEC) 462.50p -1.80%

Trainline (TRN) 312.80p -1.64%

Foresight Group Holdings Limited NPV (FSG) 431.00p -1.60%

Petershill Partners (PHLL) 208.50p -1.18%

Hipgnosis Songs Fund Limited NPV (SONG) 100.80p -1.18%

Wood Group (John) (WG.) 198.70p -0.95%

Direct Line Insurance Group (DLG) 197.20p -0.90%