In reporting Q1’11 results on May 13, 2011, Roth & Rau highlighted year-on-year revenue growth for group activities (including PV) of 69.1% - from €35.3 million in Q1’10 to €59.7 million in Q1’11. Indeed, analogous to other PV companies recently across the value and supply-chains, emphasis was placed on year-on-year comparisons, not on quarter-on-quarter changes from the preceding reporting period Q4’10...