The VN-Index suffered its largest one-day drop since August amid strong selling of large-cap names by foreigners. SAB (-7.0%) hit its trading floor as investors took profits for a second day on the recent high-flyer. Foreigners net sold USD7 million on the index and zeroed in on VNM (-3.3%), which slumped to a four and a half month low. The dairy firm is down 12% over the last four weeks and broke below support at its 200-day moving average.