stocks = {
   'GOOG': 520.84,
   'FB': 76.95,
   'YHOO': 39.28,
   'AMZN': 306.21,
   'AAPL': 99.76
}

min_price = min(zip(stocks.values(), stocks.keys()))
print(min_price)

max_price = max(zip(stocks.values(), stocks.keys()))
print(max_price)

stocks_sorted = sorted(zip(stocks.values(), stocks.keys()))
print(stocks_sorted)