search for: dowjones30

Hello, I'm dealing with financial time series. I'm trying to find out X in this sentence: The most recent close is the lowest level since X(date). Here's an example of what I'm looking for: library(fBasics) data(DowJones30) tail(DowJones30[,1:5],n=10) I need to come up with a vector that would look like this AA AXP T ... 2000-12-21 2000-12-20 2000-12-29 i.e. the last date at which the stocks were trading at a lower level than the most recent closing. I know it has to do with...