Eurozone investor sentiment index fell unexpectedly to 19.2 in May from 19.6 in April, survey data from think tank Sentix showed Monday. The investor confidence weakened for the fourth straight month in May. The score was forecast to rise to 22.4. The current situation index dropped marginally to 42.8 from 43.0 a month ago. Likewise, the expectations index slid to -2.0 from -1.5 in April. The assessment of investors in Germany also experienced the fourth consecutive damper, which was due to a stronger decline in the assessment of the situation. The investor confidence index in Germany came in at 23.5 in May versus 24.4 in April.