What is Apple Inc's market cap as of September 30, 2017?

Hint 1: Their outstanding shares are listed on the line description for Common stock on the balance sheet in the 10-K.

Hint 2: In Yahoo finance, click on historical data, and look up the adjusted close price as of the last business day on or before 9/30/17.

Calculate the Market cap for Quantum Corporation (ticker symbol QTM) as of 9/30/17.

Hint 1: Pull shares outstanding from the 10-Q, which was filed on 11/9/2017.

What is the significance of the market cap for each of these companies? (AAPL and QTM, refer to Questions 1 and 2 for reference.) Based only on market cap, can you determine which stock is a better investment? Provide support for your answer.