hooks.rb

#Returns an array up to 5 elements of the closest matches to the entered name
    StockByName(NAME_APPROXIMATION)

#Return TRUE or FALSE depending on whether the input was a valid stock symbol
    valid_symbol?(SYMBOL)

#Returns the stock object associated with the stock symbol given after updating or adding it to the database
    StockBySymbol(STOCK_SYMBOL)

#Returns an array of the 10 biggest gainers of the day
    biggest_positive_movers()

#Returns an array of the 10 biggest losers of the day
    biggest_negative_movers()

#Returns hash of format below, after giving stock symbol, and number of days to go back historically
#{"first_close"=>OLDEST DATE CLOSE VALUE, "current_close"=>CURRENT DATE CLOSE VALUE, "total_change"=> FLOAT CHANGE, "change_percent"=> FLOAT CHANGE * 100 FOR PERCENT, "change_direction"=> "UP" OR "DOWN" DEPENDING ON POSITVE GROWTH OR NEGATIVE GROWTH}
    stock_history(symbol, num_days)

#Returns TRUE if market is currently open, FALSE if the market is currently closed.
    market_open?

#Takes in a user object, and iterates through each of the stocks in it's portfolio updating their current price
    update_portfolio_prices(USER)

#Starts the menu for when user selects LOGIN>2.Research>
    user_stock_research_menu

#Adds a stock by symbol to the current users portfolio
    add_to_portfolio(symbol)