Shares in defence technology supplier QinetiQ are continuing their recovery following a contract win from NASA. QinetiQ will provide engineering services at the Kennedy Space Centre in Florida. The contract begins on 1 March 2011 and the base value of the contract is $159m. There is also a further $1.8bn of potential work. The contract is being finalised. Margins will be lower than on some work because of the steady flow of revenue.Shares in Biocompatibles International have slipped back because of a further fall in the share price of bidder BTG. The agreed bid is 1.6733 BTG shares and 10p in cash for each Biocompatibles share.FTSE TechMARK - RisersOxford Instruments (OXIG) 565.00p +3.57%QinetiQ Group (QQ.) 115.00p +2.40%Renovo Group (RNVO) 37.50p +2.04%Promethean World (PRW) 78.00p +1.96%Optos (OPTS) 105.00p +1.94%Innovation Group (TIG) 13.50p +1.89%RM (RM.) 153.25p +1.83%Kofax (KFX) 278.25p +1.18%Oxford Biomedica (OXB) 9.60p +1.05%KCOM Group (KCOM) 51.00p +0.99%FTSE TechMARK - FallersAEA Technology Group (AAT) 5.50p -6.46%Filtronic (FTC) 35.00p -2.10%Biocompatibles International (BII) 385.00p -1.53%Autonomy Corporation (AU.) 1,398.00p -1.27%Vislink (VLK) 22.75p -1.09%Antisoma (ASM) 6.00p -0.83%Sinclair Pharma (SPH) 31.00p -0.80%Vectura Group (VEC) 68.00p -0.73%Wolfson Microelectronics (WLF) 229.00p -0.33%E2V Technologies (E2V) 89.75p -0.28%