Yahoo second quarter results are in – and they are not pretty. Forget the numbers, it is core technology problems that are beginning to weigh down the number 2 search engine company. The search engine ad-system improvements that were supposed to be rolled out this summer, well not happening till later this year. This caused the stock to sink in after hours trading. The analysts are also worried about Yahoo not coming out with an exuberant outlook for the third quarter. funnily – Google is being treated as a pinata in the afterhours trading.