It's very hard to make sweeping statements when it comes to technology.
It's very hard to attribute it to an event or release because there is none. I certainly wouldn't attach any significance to it. The professional money managers aren't doing much. They want to take a clear look at third-quarter earnings.
It seems so tied to the price of oil, that it's very hard to forecast what stocks will do next. On balance the message of the markets for the last nine trading sessions, including today, seems to have shifted to say that the price of oil is taking a chunk out of consumer spending.