Google Inc. (Nasdaq: GOOG) reported second-quarter earnings of $9.56 a share, below analysts estimates of $10.78 a share, while revenue of $14.11 billion missed expectations for $14.41 billion. Microsoft Corp. (Nasdaq: MSFT) reported fiscal fourth-quarter earnings of 66 cents a share on $19.9 billion revenue. Analysts polled by Reuters had expected the software company to report earnings of 75 cents a share on $20.73 billion in revenue. As of 10:12 a.m. Eastern, the Dow Jones industrial average dropped 20.58 points, or 0.13percent, to 15,571.96. The S&P 500 Index dropped 2.29 points, or 0.13 percent, to 1,687.34.