The problem is that, by the time you are aware of what's going on, it has already printed on the chart. You would never be able to react soon enough. Hence it's better to stick with the chart alone because the news is ALREADY FACTORED IN THE PRICE.
Any drop in value stocks like Google is not bad, but the opposite, mentality of an investor is probably the opposite of a trader, the more the deviation from the ATH, the better the investment opportunity as bear phases are temporary. Before anyone slams this, I did say value stocks, not shite
That's why i said: not necessarily to trade on it, but then at least you would have known why it dropped like it did and might have exited earlier instead of adding on. Especially with earnings and other pre announced news events, if it was already fully factored in it wouldn't have dropped like it did just now.
Considering that we've already had 3 days of rally, I don't think there's much juice left to carry this market higher, especially with the disappointing earnings from a company as big as Google.