Given investment horizon of 30 days, Microsoft Corporation is expected to under-perform the Expedia. But the stock apears to be less risky and, when comparing its historical volatility, Microsoft Corporation is 1.3 times less risky than Expedia. The stock trades about -0.01 of its potential returns per unit of risk. The Expedia Inc is currently generating about 0.14 of returns per unit of risk over similar time horizon. If you would invest  5,801  in Expedia Inc on May 20, 2013 and sell it today you would earn a total of  263.00  from holding Expedia Inc or generate 4.53% return on investment over 30 days.