A wave of strong earnings from big tech players proves once again beating the quarter is only as good as your guidance — or lack of it.Intel INTC, -1.75% beat expectations in its most recent earnings report, but provided guidance that was well-short of expectations. The stock sold off as investors tried to understand why the guidance was so soft. With all the hype over artificial intelligence and improvement in operations at Intel, why wasn’t the company’s result more robust, and the guidance more optimisti ...