The rupee slumped to a record low near 69 to the dollar on Wednesday on growing worries that foreign investors will continue to sell out of a country facing stiff economic challenges and volatile global markets. The pummeling in markets sent the rupee reeling 3.7 per cent to an all-time low of 68.85 with the unit closing just a touch off that, at 68.80/81 per dollar, its biggest single-day fall since October 1995.