Stocks took a drubbing Friday after weak earnings reports from Microsoft (MSFT) (which fell 3%), General Electric (GE) (off 3%) and McDonald's (MCD) (off 4%) rattled investors. The Nasdaq dropped 2.2%, the S&P 500 lost 1.7% and the Dow Jones industrial average sank 1.9%. Volume, which saw a broad boost with the expiration of options, increased 8% on the Nasdaq and 26% on the NYSE, according to preliminary data. Google (GOOG) reversed lower and