Global stock markets are off to a strong start in 2021 as the world begins to emerge from the shadow of the COVID-19 pandemic. In the United States, vaccinations are increasing, the economy is expanding, unemployment is falling, and stimulus continues to flow through the economy. With the consensus crowding into an optimistic corner, many investors are wondering if sentiment may be running too hot. "Despite the frothy sentiment, strong internals continue to support our view that stocks could go higher from current levels," says Ryan Detrick, CMT, Chief Market Strategist, LPL Financial. Read more.