exportPattern("^[^\\.]")
export(getTSE)
importFrom("xts","xts","last")
importFrom("graphics", "barplot", "plot", "text")
importFrom("stats", "sd", "cov")
importFrom("utils", "download.file", "read.csv")
importFrom("quantmod", "weeklyReturn", "dailyReturn","monthlyReturn")
importFrom("quadprog","solve.QP")