Investment company BlueCrest AllBlue said the sources of return and risk within the company have remained consistent with those seen during the second half of 2009, the overall level of volatility decreased to slightly below the firm's target range.The net asset value (NAV) of the sterling denominated shares rose 3.61% in the first quarter to 157.74p, while the euro denominated NAV climbed 3.65% to €1.5226. The dollar class share rose 3.53% to $1.5264."With AllBlue having returned a solid 3.58% in Q1 [first quarter], with volatility slightly below the targeted range we continue to see the 10-15% return target with 6-8% volatility as reasonable for AllBlue," the company said.