symbols <-
  c(
    "EOD/SPY",
    "EOD/XLV",
    "EOD/XLK",
    "EOD/XLE",
    "EOD/XLF",
    "EOD/XLC",
    "EOD/XLI",
    "EOD/XLY",
    "EOD/XLP",
    "EOD/XLRE",
    "EOD/XLU",
    "EOD/XLB"
  )

from <- "2020-02-19"

eod_sectors <-
  tq_get(symbols, get = "quandl", from = from) %>%
  group_by(symbol) %>%
  mutate(
    norm_close = adj_close / first(adj_close),
    type = if_else(symbol == "EOD/SPY", "Market", "Sector"),
    sector = case_when(
      symbol == "EOD/SPY"  ~ "S&P 500",
      symbol == "EOD/XLB"  ~ "Materials",
      symbol == "EOD/XLE"  ~ "Energy",
      symbol == "EOD/XLU"  ~ "Utilities",
      symbol == "EOD/XLI"  ~ "Industrical",
      symbol == "EOD/XLRE" ~ "Real Estate",
      symbol == "EOD/XLV"  ~ "Health",
      symbol == "EOD/XLK"  ~ "Technology",
      symbol == "EOD/XLF"  ~ "Financial",
      symbol == "EOD/XLC"  ~ "Communication",
      symbol == "EOD/XLY"  ~ "Consumer Discretionary",
      symbol == "EOD/XLP"  ~ "Consumer Staples",
      TRUE                 ~ "Other"
    )
  ) %>%
  ungroup()