A report now proven false stating that the U.S. launched an operation in Oman sent overnight futures plunging before a quick reversal. Kevin Green makes the case that it shows how fragile markets are to headlines. He urges caution even as Big Tech flexes strength in the U.S. and overseas. On the earnings front, KG explains how analysts are divided on Tesla's (TSLA) outlook looks into IBM Corp.'s (IBM) post-earnings sell-off.