update_market_value: Update Porfolio Market Value
In chrishaarstick/madstork: MadStork Portfolio Management

Description Usage Arguments Details Value Examples

Function to update porfolio and holding's market value

1	update_market_value(pobj, prices = NULL)

`pobj`	portfolio object
`prices`	tibble with symbol prices. requires symbol, and price columns

Function appends portfolio's market value record for historical analysis and overwrites the holdings market value

Updated Porfolio object with new market value

## Not run: 
p1 <- portfolio("new_port", cash=0) %>%
 make_deposit(amount = 5000) %>%
 make_buy(Sys.Date()-365, symbol = "SPY", quantity = 10, price = 200) %>%
 make_buy(Sys.Date()-365, symbol = "TLT", quantity = 25, price = 100)
 update_market_value(p1)

## End(Not run)