Alphabet Inc (GOOG) stock has been tumbling lately. The stock is at a three-month low. But some institutional investors are buying out-of-the-money call options, given today's unusual activity. That signals they may see this dip as a trough and see GOOG as a good investment. GOOG is trading at $288.93 today, down from recent peaks of $309.41 on March 17 and $314.90 on Feb. 20, and well below its three-month high of $344.90 on Feb. 2. That was right before its Feb 4 Q4 earnings release. More News from Bar ...