By Rob Kozlowski Source: Pensions & Investments U.S. corporate pension plans' funding ratios increased in February as falling liability values offset a drop in assets, according to three new monthly reports. Legal & General Investment Management America estimated the average funding ratio of the typical U.S. corporate pension plan was 99.9% as of Feb. 28, up from 99.8% a month earlier. In its latest monthly Pension Solutions Monitor, LGIMA said the estimated average funding ratio rose slightly in February [...]