Given investment horizon of 30 days, Google Inc is expected to under-perform the Microsoft. But the stock apears to be less risky and, when comparing its historical volatility, Google Inc is 1.15 times less risky than Microsoft. The stock trades about -0.04 of its potential returns per unit of risk. The Microsoft Corporation is currently generating about -0.01 of returns per unit of risk over similar time horizon. If you would invest  3,485  in Microsoft Corporation on May 20, 2013 and sell it today you would earn a total of  13.00  from holding Microsoft Corporation or generate 0.37% return on investment over 30 days.